There are karate instructors – and then there’s Rex from the hilarious 00s cult classic, Napoleon Dynamite! Our design team at Truffle Towers has taken inspiration from this fan favourite character for this T-shirt, which has an outline of Rex below the words âRex Kwon Do: Bow To Your Senseiâ and one of his famous pearls of wisdom: âBreak the wrist and walk awayâ.