Joining the thread to see where iron balls can be sourced.
Some vendor on AliExpress? Those Lucky Iron Fish?
Cast iron pan left outside for a day or two.
This might work with old iron dumbbells (or modern iron kettle balls if left unpainted). Your gym might hate you for it though.
I'd guess exact form wouldn't matter. Wrap a hammer in foil and beat up something rusty.
Cast iron pan left outside for a day or two.
This might work with old iron dumbbells (or modern iron kettle balls if left unpainted). Your gym might hate you for it though.
I'd guess exact form wouldn't matter. Wrap a hammer in foil and beat up something rusty.