Welcome to the International Renzoku Jiu-Jitsu Association. The IRJJA was created as an Association for Martial Artists who engage in the practice of Grappling and Submission styles, as well as traditional Jiu-Jitsu , Jujitsu, Ju-Jitsu, Judo, Sambo, Submissions and other grappling styles. The Association is also open to practitioners of Karate, Kung Fu, Muay Thai, Aikido, Hapkido, Tae Kwon Do, Kenpo and other martial arts styles.