How to oil the hook race of your sewing machine- most important part of machine that you can oil

[@theresahofstetter1339]

Thank you! This is very helpful.

[@debraclogston9379]

Why no graphite lubricant?

[@FEIYUE-NETFIRST]

nice sharing！

[@metabonnell6239]

That 7570 is a Pfaff, NOT a Bernina.