Sure, wearing a ring that looks likes a Xenomorph from Aliens will make you look like the toughest dude on the block, but having one that turns in a set of brass knuckles is a great plan B if you find yourself in a bind.

Kilroy’s Attic has just unveiled their newest creation and it is a folding set of brass knuckles that turns into an Alien ring. This is one of the coolest and most dangerous pieces of geek jewelry that we’ve ever seen.