Leather punch from rusty old cold chisel. By Steve Jordan. 23:28 video:
https://www.youtube.com/watch?v=7TJokiSqT1o
Previously:
https://www.homemadetools.net/forum/...773#post143963
https://www.homemadetools.net/forum/...273#post138650
https://www.homemadetools.net/forum/...618#post139635
https://www.homemadetools.net/forum/...913#post137451
https://www.homemadetools.net/forum/...616#post136355