Phillips head screwdriver from bolt. By Glen GS Tongs. 8:14 video:
https://www.youtube.com/watch?v=UPw5ZsWslVY
Previously:
https://www.homemadetools.net/forum/...304#post165745
https://www.homemadetools.net/forum/...204#post161264
https://www.homemadetools.net/forum/...425#post146796
https://www.homemadetools.net/forum/...911#post164123
