Much obliged, mister. That's a hell of a hand you got on you, yourself. You happen to know what that's made of?

[Asking in case the classmates would know better than him.]

Well... technically, it's a baboon heart. With a high-voltage pacemaker attached to it, if a pacemaker could make your whole body bulletproof in the right circumstances.

The fella who did it could probably explain it better than me, though. It's mainly his work.