Machinist's hammer. By ToolTime Chris.
14:22 video:
https://www.youtube.com/watch?v=qLQ8Ok7K_Fw
14:27 video:
https://www.youtube.com/watch?v=sCjXj2332FU
Previously:
51 Plans for Homemade Hammers and Mallets
https://www.homemadetools.net/forum/...956#post179628
https://www.homemadetools.net/forum/...653#post163065
