Repair a Rusty Japanese Knife over a month

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  • Опубліковано 21 січ 2025

КОМЕНТАРІ • 793

  • @jisakukobo
    @jisakukobo  Рік тому +129

    If you like the video, please introduce it to your friends and social media !
    Please watch with subtitles turned on.
    字幕をONにして視聴してください。

    • @MicroMidas
      @MicroMidas Рік тому +10

      Man I just _love_ ALL your jigs, rigs and setups! It's all just _SO_ incredibly clean, and well executed! And always satisfying to watch. 😊

    • @notfeedynotlazy
      @notfeedynotlazy Рік тому +2

      Thanks for taking the effort to add captions. 👍
      Heads-up, at one point (5:46) the English subtitles are not in English.
      Heads-up x 2, at several points you make a minor English mistake that wouldn't be worth nitpicking about (since you took the effort to do them to begin with!), but since it changes the meaning I'm bringing it to your atention. When you talk about "dents" I was very confused, as I saw no holes in the edge proper. Then I realized you meant the _pits_ caused by the rust. 😁

    • @reynaldoberena2824
      @reynaldoberena2824 Рік тому +1

      E

    • @Евгений-у3о8п
      @Евгений-у3о8п Рік тому +2

      Нивхи за месяц до хода рыбы точили ножи и причём вручную. И камни для этого подбирали в речках.

    • @КонстантинИванов-м6р
      @КонстантинИванов-м6р Рік тому

      Пятиминутный ролик растянуть на полчаса... 🤦🤦🤦

  • @thecalif2914
    @thecalif2914 Рік тому +21

    Definition of "Hobby":
    Achieving the least revenue, with the greatest possible effort.
    A great example of craftsmanship, patience and also respect for the beauty and sharpness that comes out from under the rust!

    • @K2gjbcfcvjbv
      @K2gjbcfcvjbv 2 місяці тому

      We are the product. We are watching. He is generating revenue. Win win in this case

    • @白土-f2t
      @白土-f2t Місяць тому +1

      😊😊xo😊😊😊😊おふろ😊s😊😊😊😊😂😊😊😊😊😊😊

  • @つばさ-g3w
    @つばさ-g3w Місяць тому +4

    おすすめにあがってきたので拝見しました!見たことない色んな道具が沢山出てきて楽しめましたし包丁がどんどん綺麗になっていくのは見ていてとても心地よかったです!素敵な動画をありがとう御座いました😊

    • @jisakukobo
      @jisakukobo  Місяць тому

      ありがとうございます!包丁のメンテナンスは奥が深いです。

  • @zensonproductions4627
    @zensonproductions4627 2 місяці тому +3

    Wow!! He can plane down & shape that handle with a crazy amount of speed and efficiency, he must have decades of experience for such muscle memory to have developed, just amazing! 🤙🏾

  • @ミスターダイゴ
    @ミスターダイゴ Рік тому +13

    まさかこの包丁自体も鍛冶屋もこんなになるまで復元+αしてもらえるとは、思いもよらなかったでしょうなぁ…。
    取り敢えず、両者共本望であろうことは間違いないでしょう。👍👏

  • @ВладимирКатков-л9х

    Your are the best! The MASTER of precision!!!

  • @mor8266
    @mor8266 Рік тому +22

    That is truly beautiful work. A knife of this quality deserves the time and effort to restore. You're the greatest.

  • @bramweinreder2346
    @bramweinreder2346 Рік тому +8

    This is by far one of the best restaurations I've seen. Too many people only care about the mirror finish but still leave the knife pitted, they don't care about the flatness of the edges or the transitions between them. They attack it with power tools like Philistines without understanding the craft involved or the longevity and usability of the work piece, while you have an obvious love for these things.

    • @zippy1981dotnet
      @zippy1981dotnet Рік тому +2

      With regards to the pithing, you remove a lot of metal to get rid of pithing. It's not always worth it.

    • @amyhund3786
      @amyhund3786 Рік тому +1

      Die Elektrowerkzeuge mit langsam drehendem Wasserstein führen zu einem exakten Freiwinkel der Schneide. Wie deutlich zu sehen ist bekommt er das freihändig nicht hin.

    • @tasmedic
      @tasmedic Рік тому +1

      I think this would have been much quicker and easier with diamond stones like my ATOMO 100, and 400. It'd likely be possible to do 4 knives like this in a month using the right stones to complete the initial reprofiling. Having the sandblasting equipment was a good idea. Wish I had that. I gather that you can get attachments for pressure washes which can draw in blasting sand, but I've not seen one for my Gerni pressure washer.
      I'm sad that the maker's mark has been permanently removed from this blade. It would have been considerate to etch that back on after the restoration.

    • @waltermann779
      @waltermann779 Рік тому

      Vor paar Monaten habe ich auch so eins restauriert, das war wirklich schwer und mühsam

  • @joeb594
    @joeb594 23 дні тому +3

    Wow! That's a beautiful knife!

  • @robertoortega1801
    @robertoortega1801 Рік тому +25

    You're an extremely gifted artisan. I love your work, I found it very inspirational.

    • @advance-heating
      @advance-heating 8 місяців тому

      That's a great new handle. Next restoration will involve making a new blade.

  • @YiannisPagonis
    @YiannisPagonis Рік тому +3

    Excellent job sir. You deserve a thousand thumbs up! 👍👍👍👍

  • @JASONVERMAST
    @JASONVERMAST 14 днів тому

    So nice to see a not fake restoration vid! good job!

  • @scottrose5012
    @scottrose5012 Рік тому +2

    That was truly magnificent to watch, thank you so much for sharing your fine art with us. You are a true Master of your trade. Domo...

  • @lvttvn9365
    @lvttvn9365 11 місяців тому +2

    Thanks for your excelence videos , your technique is superb. Great lessons teached and repeatable.

  • @rjung_ch
    @rjung_ch Рік тому +15

    You make the best videos, top 5 for sure!
    Love the detail and amazing quality of work, doesn't matter what it is, a new build / jig / restoration.
    🙏

  • @metatechhd
    @metatechhd Рік тому +22

    Wow, the craftsmanship on this knife is simply astounding. It's clear that restoring a knife of this caliber requires immense dedication and skill. You truly are a master in your craft, and your attention to detail is commendable. This video of you sharpening your knives for a month is intriguing, and I can't wait to see the incredible results! 🔪✨🔧

    • @-danR
      @-danR Рік тому

      To make the month go by really fast, he chose February.

    • @xl000
      @xl000 Рік тому +1

      can you tell me which part you found the most astouding ? Because it's mostly sanding, and making an oval handle

    • @alexma9408
      @alexma9408 Рік тому +1

      Самое мутное и скушное видео, что я видел!

  • @michaelrowan3851
    @michaelrowan3851 6 місяців тому +1

    I heard this guy is a veteran navy seal who served in Vietnam and since retirement has become a great wood worker. Thank you for your service

  • @jo-ym7zl
    @jo-ym7zl Рік тому +1

    I love all your videos. You have lots of great ideas and you are so diligent. That sounds awesome. Bravo and thank you for everything you share.
    あなたのビデオはすべて大好きです。あなたは素晴らしいアイデアをたくさん持っていて、とても勤勉です。それはすごいですね。ブラボー、あなたが共有してくれたすべてに感謝します

  • @LastRODbender
    @LastRODbender 24 дні тому +1

    That blade was in pretty good shape to begin with. Didn’t look like the edge was even chipped. Cant wait to see the finish!

  • @bobridge5271
    @bobridge5271 Рік тому +85

    For those who don't know, this is a right-handed knife for fish filleting, called a deba. They are usually made of carbon steel because that can be made sharper, but prone to rust, of course, as seen in this video. Left-handed deba are widely available in Japan, but I am not sure about overseas. If you are left-handed, be sure to get the correct-handed deba ! It is impossible to use a right-handed deb with the left hand, and vice-versa, as it will dig into the fish bones and generally make a big mess.

    • @lancemillward1912
      @lancemillward1912 Рік тому +7

      Usually two types of steel welded together. Hard steel for the blade edge and etch up awesome in ferric chloride

    • @josephedlin2172
      @josephedlin2172 Рік тому +1

      I’ve never heard of a left / right handed knife - how do they differ?

    • @kingsta3174
      @kingsta3174 Рік тому +2

      @@josephedlin2172 the only have a bevel on one side

    • @karttu1
      @karttu1 Рік тому +2

      We be interesting to see how filleting is performed with such a thickness of the blade.

    • @zoned1361
      @zoned1361 Рік тому

      Why is the blade so thick? It seems like it's almost 1 centimeter thick.

  • @kimharris7231
    @kimharris7231 Рік тому +4

    Incredible clean and precise work by a craftsman with immense patience. Painstaking work resulting in a beautiful knife. Superb.

  • @PapaManitas
    @PapaManitas Рік тому +1

    Un cambio espectacular, increible como lo has dejado. Saludos desde España.

  • @edmedlin2936
    @edmedlin2936 11 місяців тому

    I have restored many, many deba knives. Yours is more beautiful by far than any of mine.

  • @erroldavis2983
    @erroldavis2983 Рік тому +1

    I should’ve known better, is the perfect guy, with perfect wooden tools, with a perfect results on everything that he does, because he’s the perfect guy in the woodworking business ! I can’t help, but think he’s the perfect man!

  • @davidcrossley7145
    @davidcrossley7145 Рік тому +4

    I really enjoyed watching you bring this rusted old knife back to life.”true craftsmanship excellent “ 👍

  • @SiTengoTiempo
    @SiTengoTiempo Рік тому +2

    Excellent work. Excellent precision.

  • @fabriciohernandezlopez849
    @fabriciohernandezlopez849 Рік тому +1

    un trabajo prefecto y exelente JSK.......impreciosnante,,,,,,,,,,,bendiciones-------

  • @bluejijiikemen5537
    @bluejijiikemen5537 Рік тому +6

    いつもながらの凄腕!兎に角、あなたの作業はどれも隙が無くほれぼれする。この修復の分野もさぞ成功するでしょう。
    楽しみにしています。

  • @AmazingSmart-ngth
    @AmazingSmart-ngth Рік тому +3

    WOW...great ideas 💡 ✨!!! I will definitely use some of these ideas. THANKS 😊

  • @stevefromlondon9175
    @stevefromlondon9175 Рік тому

    Amazing workmanship it's beautiful the end result
    Regards
    Steve UK London

  • @ToslisTosliauskas
    @ToslisTosliauskas 3 місяці тому +5

    Perfect job ,
    完璧な仕事 👍🍀😉

  • @phillipzx3754
    @phillipzx3754 11 місяців тому +1

    Beautiful work.

  • @gilbertdelgado6703
    @gilbertdelgado6703 Рік тому +4

    Fabulous workmanship, it is apparent that you are a master craftsman.

  • @LaelsonMachadodaSilva
    @LaelsonMachadodaSilva Рік тому +4

    Jisaku Koubou ... excelente trabalho ! perfeita qualidade ! admiro muito seu cuidado ! Parabéns !!!

  • @stefanwesterberg5319
    @stefanwesterberg5319 Рік тому

    Awesome restoration! Wow! 😎 Two thumbs- up 👍👍

  • @OrlandoMorales-e4e
    @OrlandoMorales-e4e 9 місяців тому +1

    Los mejores referente a la elaboración de cuchillos ( los japoneses). Toda una obra de arte la restauración de este cuchillo 😮. La dedicación y paciencia da como resultado éste final asombroso

    • @jisakukobo
      @jisakukobo  9 місяців тому

      Me alegro que hayas comentado.
      Hago varios videos de manualidades, así que suscríbete a mi canal.
      gracias

  • @Marcus_Shaw
    @Marcus_Shaw Рік тому +16

    Would have liked to see the maker's marks left, perhaps fading the polish to leave the original patina at the top of the blade?
    All the same, nice job 👍

    • @ericfg806
      @ericfg806 Рік тому +8

      I agree. I don't understand removing the maker's mark just for a mirror polish.

    • @raymondengineering8951
      @raymondengineering8951 Рік тому +5

      It said,
      Made in china 😂

    • @woshinwb
      @woshinwb 5 місяців тому +1

      @@raymondengineering8951 no it doesnt

  • @Stefanox36
    @Stefanox36 6 місяців тому +4

    THIS is what I call a restoration of a knife! ANYTHING short a mirror shine is NOT OK for a knife. Nicely done!

  • @talegunner4414
    @talegunner4414 Рік тому

    what a beautiful knife. Great work. You take your time and create a fantastic piece of functional art. I wish I had your patience.

  • @Tuxedo2680
    @Tuxedo2680 Рік тому +2

    A labour of love. Such patience and skill. Kudos to you Mr. Koubou

  • @bradleytuckwell4881
    @bradleytuckwell4881 Рік тому +1

    Beautifully done it looks stunning

  • @alshaa1699
    @alshaa1699 8 місяців тому +2

    Hello, great master. I always enjoy watching your videos. You work with patience and precision, and this makes the result of your work excellent and accurate. Good luck and mighty master with skill

  • @PaleRider559
    @PaleRider559 3 місяці тому

    I have that same knife. Didn't know it was Japanese. A friend of mine gave it too me, and it's a little rusty also. Been meaning to restore it. Got off most of the rust, but I need to take it apart, to do a thorough job.

  • @MASI_forging
    @MASI_forging Рік тому +6

    Turned out to become a beautiful knife and you did a great restoring it as well.👏👏

  • @torbjornnilsson5057
    @torbjornnilsson5057 Рік тому

    What a fabulous work! You are awesome!

  • @margaretragle1337
    @margaretragle1337 Рік тому

    Watching that rusted knlfe get a wonderful make over AWESOME.

  • @SomewhatAbnormal
    @SomewhatAbnormal Рік тому +10

    Wow, that’s a very thick piece of steel and worth fixing!
    When restoring a knife I start with rust remover (chemical process), followed by belt grinding (I use an OBM 2x72), then I move on to more refined whetstone work. I find this to be the fastest way to restore.

    • @Bob_Adkins
      @Bob_Adkins Рік тому +2

      That blade was so thick it needed a half hour on the 2x72. I have never seen a kitchen blade so thick!

    • @binghoward70
      @binghoward70 Рік тому

      @@Bob_Adkins this knife is for cutting big tunas. It is strong enough to cut thru the rib bones.

    • @SomewhatAbnormal
      @SomewhatAbnormal Рік тому +1

      @@Bob_Adkins I have made a butcher knife that thick but I’ve never seen a chef knife like this!

    • @zootallures6470
      @zootallures6470 2 місяці тому

      @@SomewhatAbnormal This is not a chef knife but a knife for processing fish [and poultry] to cut through bone. It is called _deba._
      There are bigger debas that cut through bones of tuna the size of you and me.

  • @pinkkisiel3731
    @pinkkisiel3731 Рік тому

    Looks like a new knife, but I'd personally try to preserve the maker's mark as much as possible. Any good knife deserves this much.

  • @stevemartin4249
    @stevemartin4249 Рік тому +4

    Oh! I see from the newspaper you are somewhere here in Japan too. Buried in deep in a world gone wild with noise and destruction, I came on this meditative little video by chance. This is a rare study in the tranquility of purpose and focus. A big thank you from this gaijin in Kawasaki. Followed, subscriptions turned on.
    ああ!新聞を見ると、君も日本のどこかにいるんだね。 騒音と破壊で荒れ果てた世界の奥深くに埋もれていた私は、偶然この瞑想的で小さなビデオを見つけた。 これは、目的と集中の静謐さについての稀有な研究である。 川崎に住むこの外人から大きな感謝を。フォローしました。

  • @山ちゃん-i3w2i
    @山ちゃん-i3w2i Рік тому +16

    あの錆びた包丁がこんな新品みたいになるなんて凄いですね!見事な仕事でした

  • @stevefromlondon9175
    @stevefromlondon9175 Рік тому

    Outstanding work looks better than new
    Regards
    Steve UK London

  • @2030ification
    @2030ification Рік тому +5

    From an old utility knife to a collector's item. This is just WOW!

    • @fonziyo
      @fonziyo Рік тому +3

      You're wrong, the makers mark is gone making the knife worthless

  • @weldabar
    @weldabar Рік тому

    Wow what a great find and restoration!

  • @TocilarulTimisorean
    @TocilarulTimisorean Рік тому +3

    Great restoration👏
    Maybe for the next awase Deba you end with a Kasumi finish on the bevel.
    This finish looks better on honyaki blades 😉

  • @nielslund9359
    @nielslund9359 Рік тому +3

    I so admire your craftsmanship. Well done!

  • @paullambert4445
    @paullambert4445 5 місяців тому

    Fantastic restoration. The only sad part is that the maker’s mark had to disappear. When I restore I always put a resist over the maker’s mark. Thanks 🎸🔪

  • @salahmohidine9579
    @salahmohidine9579 Рік тому +1

    Perfect work carried out to perfection by a master's hand !

  • @pauljarine
    @pauljarine Рік тому

    Incredible! Thank you.

  • @dominus_tele_9369
    @dominus_tele_9369 18 днів тому

    This appears to be something purchased at a knife shop called 'Kiya' located in Nihonbashi, Japan. It was sold there under the name 'IDUTSUKI,' and the price seems to be around $200. It is marked with '尚子' (HISAKO or NAOKO), which might indicate that it was a gift.

  • @kalaipaa
    @kalaipaa Рік тому

    Amazing and very patient work!!! Joozu desu ne!!!

  • @volkangunyeli
    @volkangunyeli Рік тому

    Perfect job master. Very clean. 💯👍👏👏🙌

  • @markduggan3451
    @markduggan3451 Рік тому

    That was an amazing restoration of a magical knife.

  • @tjacksonwoodworker3726
    @tjacksonwoodworker3726 Рік тому

    awesome restoration! I enjoy your videos.

  • @FutureEon
    @FutureEon Рік тому +18

    🔪✨🔧 Absolutely mind-blowing craftsmanship! The level of skill and dedication required to restore a knife of this caliber is truly awe-inspiring. Your attention to detail is exceptional, and it's intriguing to witness your month-long journey of sharpening these knives. I'm eagerly anticipating the incredible results you'll achieve. Keep up the amazing work! Can't wait to see more. ⚒🔥💪

  • @DavidSmith-ss1cg
    @DavidSmith-ss1cg Рік тому

    Exquisite! Thanks for sharing this with us.

  • @michelsca5254
    @michelsca5254 23 дні тому

    Quel travail de précision , je ne pensais pas que cela existait encore

  • @mariopisanello65
    @mariopisanello65 Рік тому +5

    Semplicemente meraviglioso. Grande ammirazione. Non solo per questo lavoro, ma per tutti i tuoi lavori.

  • @sights2397
    @sights2397 11 місяців тому

    Absolutely beautiful work! But.. too bad that the signature was lost in the process .. anyways, stunning, love it!

  • @james-jq8sk
    @james-jq8sk Рік тому

    That's a very nice sharpening set-up with the blue container...

  • @kanttekening
    @kanttekening 9 місяців тому

    Very nice! Spitefully are the disappeared Japanese characters on the blade. Furthermore excellent job.

  • @こーひー-e1r
    @こーひー-e1r 9 місяців тому

    お、すごい!木屋井筒木の出刃だ!白鋼で研ぎやすくて切れ味もいいので大好物です。
    結構鋼も残ってる様に見えますので大事に使ってあげないとですね。
    しかし、木屋井筒木の刻印が完全に消えるまで平を削るのはすごい大変だと思うので脱帽です👏

    • @jisakukobo
      @jisakukobo  9 місяців тому

      本当は刻印残したかったのです。残念。。。

  • @tomdrew5608
    @tomdrew5608 Рік тому

    You did very well with this, sir.

  • @michaelnorman5640
    @michaelnorman5640 Рік тому

    Another masterpiece you are amazing and inspiring! Make me want to go sharpen up some overdue chisels and planes that are in need of tuning and just been putting off! 😂

  • @masanao-r1s
    @masanao-r1s Рік тому

    研ぐ、砥ぐ、磨ぐ
    同じトグでも色々な種類と方法が有ります
    TOGUって奥が深いですよね。

  • @fioenz
    @fioenz 8 місяців тому

    Magnifique travail, j'ai adoré regarder cette vidéo...

  • @warrenhunt5556
    @warrenhunt5556 Рік тому

    G'day and Hajimemashite JSK-koubou san,
    Your craftmanship and passion for what do, has my complete and humble admiration to the meaning of perfection. BRAVO ZULU mate. Hooroo and tsugi no bedeo made!

  • @Mahalati
    @Mahalati 15 днів тому

    Very nice work ❤

  • @kaimann69
    @kaimann69 Рік тому +1

    I remember when you started this proyect .... 3000 years ago, I was there! - Elrond 😅

  • @UnniKrishnan-wq7ze
    @UnniKrishnan-wq7ze Рік тому

    Your works always great. And very interesting to watch.❤

  • @udoburmester5733
    @udoburmester5733 Рік тому

    Great and fascinating work, no artwork!

  • @airford13
    @airford13 Рік тому

    very impressive! you got a new follower from this. cant wait to see more!

  • @robertrich1216
    @robertrich1216 Рік тому

    Amazing...such care and skill!!

  • @nachom.5489
    @nachom.5489 7 місяців тому

    *MARAVILLOSO*
    👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏
    *GRACIAS POR MOSTRARNOS TU TRABAJO*
    *ES UNA OBRA DE ARTE*
    👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏

  • @kaunas888
    @kaunas888 Рік тому

    It's not a knife; it is a work of art.

  • @top100funnytv
    @top100funnytv 11 місяців тому

    Knife sharpener master. Thank you ☺☺☺

  • @phooesnax
    @phooesnax Рік тому +2

    This fellow always pursues excellence!

  • @plunder1956
    @plunder1956 Рік тому +5

    My first thought was: At least it has a long robust Tang. You can do almost anything, but if the Tang is bad, it's almost a waste of time. This is rusty but thick.

    • @kefwals8722
      @kefwals8722 Рік тому +2

      Agreed your tang quality can make or break the show. As a child the baseball team would have pizza parties hosted by a different parents home. And the lower middle class parents would provide orange tang possibly grape which was equally acceptable. Then we'd go to a more upperclass parents home a different week and they would put out somehing crazy like pineapple or horchatas flavor tang which was as you say just a waste of time. It wasn't until I was saying 16 or 17 until I was to discover Wu-Tang and I was really able to start making sense of the world. In the end It always comes down to Tang quality when deciding whether something's worth doing or not

  • @johnmccormick650
    @johnmccormick650 Рік тому

    Great restoration ❤

  • @viorsa8200
    @viorsa8200 Рік тому

    Gran trabajo maestro, pero es un vídeo muy largo, lo ideal serian dos partes de 15 minutos máximo, gracias por compartir sus conocimientos y experiencias, un cordial saludo y por supuesto un merecido like desde Narón (Galicia)👍🤓😜

  • @АлександрКопицын-в9о
    @АлександрКопицын-в9о 11 місяців тому

    The knife became beautiful - as a toy, amazing. It' a pity that original mark was removed while restoring. The handle seems too simple. But your work is exellent!

  • @justtim9767
    @justtim9767 Рік тому +1

    Beautiful.

  • @fulkir1230
    @fulkir1230 Рік тому

    Midnight and I'm here watching this video, why can't I stop watching? 🥲

  • @lexvane3494
    @lexvane3494 Рік тому

    again, very nice craftsmenship

  • @swiftymorgan4973
    @swiftymorgan4973 Рік тому +1

    Absolutely superb once again from this craftsman

  • @joso5554
    @joso5554 11 місяців тому

    You should be putting water on your stones much more regularly. The stone surface should be wet at all times. Metal particles evacuate regularly and the grinding action is much more efficient. This would make the process much faster.

  • @EffToyz
    @EffToyz Рік тому +2

    this video is amazing! I never knew you could restore knife in such condition!

  • @pascal9421
    @pascal9421 3 місяці тому

    Très belle restauration, la base était très abîmée. Le Kanji est parti au poncage, c’est dommage. Votre savoir faire et votre patience sont extraordinaire. Bravo 👍.

  • @DIYTechTrends
    @DIYTechTrends Рік тому +3

    That's so great! But I will make it even simpler so that people who don't have enough tools can still do it. ❤🎉

  • @williamnarvaez7094
    @williamnarvaez7094 5 місяців тому

    Quedó muy bonito el cuchillo lo felicito saludos desde Colombia

  • @진인사대천명-c2g
    @진인사대천명-c2g День тому

    많은 노력과 과정이 어리석어 보이는데 많은 관심을 끌어 굉장한 수익을 보장받네~👍👍👍