Hammer from nuts and bolts. By instigator. 2:53 video:
https://www.youtube.com/watch?v=66ZO6KRMTuw
Previously:
https://www.homemadetools.net/forum/...032#post176127
https://www.homemadetools.net/forum/...981#post175933
https://www.homemadetools.net/forum/...913#post175603
https://www.homemadetools.net/forum/...818#post175194
https://www.homemadetools.net/forum/...626#post170490
https://www.homemadetools.net/forum/...590#post132566
