Pitbull Combat Jujitsu is taught by Calvin Metz with the help of Josh Phillips. Mr. Metz has over 40 years in the Martial arts with Black Belts in Hapkido and Aiki Combat Jujits. While doing pit fits in Atlanta, Chicago, and New Orleans he developed Pitbull Combat Jujitsu. This system does not have a lot of techniques to learn but the ones you do work extremely well and been tested in his pit fights. This system of Martial arts is not as in depth as other systems but what you do learn you become proficient at. This system was developed in the late 80's to early 90's, prior to MMA and the Gracie Brothers matches. This system is made up of Feints, Stop Hits, Grappling, wrestling, and boxing.