Jedi Knight Mechanical Hand

To get an accurate mechanical hand, you'll first need to have it severed in a lightsaber duel with a Dark Lord of the Sith. After losing your hand, have a medical droid install another one. Easy, eh?

If you would rather do it the hard way, you can just get a black glove to cover your right hand.

NOTE: This is a joke. OJA is not responsible if you really cut off your hand.