[Jamestown1630]

I don’t know if they’ve ever come to a decision as to what these were used for, but they certainly went to great effort to decorate some of them:

https://en.wikipedia.org/wiki/Carved_stone_balls

[Afterguard]

Put one of those in a sock and it’d make a better weapon than a bicycle lock.

Just don’t tell any left-wing professors about this find.

[Red Badger]

https://www.youtube.com/watch?v=xPlqLHcphyw