It was removed from the game already, but here’s the Wiki page that shows how it worked. There are pictures of the claw, and the player becoming a robot.

Cheaters would also be teleported to a “prison island” where regular players could vote for ways to punish them, with several different animations for each punitive action. Mind you, this is all cosmetic and for the remaining players, because the account itself would receive the official bans regardless of the vote.