Murph
Keymaster
Post count: 918

The Ironmind pin and bumpers works pretty good. We’ve done it here to test it out.
You can also buy an Atlas Stone Trainer from Elitefts.com.
It’s similar but longer.

Try it with 25lb bumpers, use at least 2.
You can always sandwich a metal 45’s between the bumpers if you need more weight.