Miniature hammer and chisel. By Uri Tuchman. 10:00 video:
https://www.youtube.com/watch?v=3mBNZolO6v0
Previously:
https://www.homemadetools.net/forum/...854#post167660
https://www.homemadetools.net/forum/...520#post166602
https://www.homemadetools.net/forum/...455#post162181
https://www.homemadetools.net/forum/...217#post161313
https://www.homemadetools.net/forum/...408#post158386
https://www.homemadetools.net/forum/...689#post143603
https://www.homemadetools.net/forum/...692#post147827
https://www.homemadetools.net/forum/...437#post146850