If you are a Karate Junkie then here is a site is for you http://www.karatejunkie.com. They even have made a source for Karate Junkies to get their fix of great clothing, Junkie T-Shirts, Mugs etc, Fun Stuff, the Karate Junkie Store.
The Karate Junkie offers a unique source of interesting obscure Karate News that is not limited to Karate but includes, Kung Fu, Chi Kung, Comedy releaf, Comtech, Gung Fu and Mixed Martial Arts. It is a fun somtimes irritating look at martial arts, it is worth a look.
The t-shirts are of a nice design and quality, light hearted way to show your interest in Martial Arts.