Uppercut bags

[MyDixieWrecked]

Would anyone have an idea of how this mounts into the wall? Weird question, but I would like to know before I get my hopes up and order it.

Thanks

Does anyone know??

[donnydarkoIRL]

Would anyone have an idea of how this mounts into the wall? Weird question, but I would like to know before I get my hopes up and order it.

Thanks

Does anyone know??

Chains usually, weighted down by their own mass.