- Does the second rusty ball really need to be a rusty ball since it is covered in foil?
- Please try this at home. You all have rusty iron ball laying around, right?
- It wouldn't be weird for someone in the south of France to have a rusty pétanque ball.
- Hammer faces would work (def wear goggles!!!). Hit the face of the disposable one with a mixture of hydrogen peroxide, vinegar and salt and wait an hour.
- Joining the thread to see where iron balls can be sourced.
Some vendor on AliExpress? Those Lucky Iron Fish?
- 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.
