Could also be a "Vader Arm" if that tickles your fancy.

Whatever you call it there's no denying this highly advanced prosthetic arm is bad ass. Nigel lost part of his arm in a factory accident a couple years back and has been crushing bones and frightening children ever since. In all seriousness he's kind enough to show us the wonders in prosthetic technology which is impressive to say the least. The video shows it all! Watch and comment below.