Martial Arts Gift design. If you love chopping blocks of wood with the side of your hand, then you will love this fun karate themed gift design idea. If you are on the hunt for your black belt and need some motivation, this is it. Any one who loves kickboxing, muay thai, ji jitsu, karate and any other martial art or self defence technique will love this fun white belt to black belt design. It will be great motivation for any martial artists. 8.5 oz, Classic fit, Twill-taped neck