How to use a hammer like a pro!

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There are only 2x hammers that you will ever see on a building site. Both are Estwing branded. They are both 20oz in weight.
Both are great and the choice between them is really a matter of grip and comfort.
This is a great gift as an Estwing hammer WILL last you a lifetime:
How to Use a Hammer Like a Professional with The Building Sheriff. It's a knack, and once you've got it, you will never lose it. However there are some basics which are worth covering.