Brazilian Jiu-Jitsu (BJJ) is a martial art that emphasizes on taking an opponent to the ground and utilizing ground techniques and submission holds. BJJ can be trained for self-defense, sport grappling tournaments (with and without wearing the Gi, or Japanese Kimono), and Mixed Martial Arts competition. Brazilian Jiu-Jitsu classes often implement sparring and drilling techniques with a classmate to better develop and retain knowledge of curriculum being taught to the students.