Concrete pillar crusher.
https://www.youtube.com/watch?v=bED1jM4XjVY
Previously:
https://www.homemadetools.net/forum/...804#post148286
https://www.homemadetools.net/forum/...988#post164475
https://www.homemadetools.net/forum/...856#post140403
https://www.homemadetools.net/forum/...066#post164777
https://www.homemadetools.net/forum/...598#post162794
