Brazilian Jiu-jitsu has proven that a smaller, weaker person can defend themselves effectively and efficiently against a bigger and stronger attacker. Discovered and perfected by the Gracie family on the mean streets of Rio De Janeiro. Brazilian Jiu-Jitsu was and is the 1st style of Martial Arts that has always tested itself and applied its techniques in the toughest and most dangerous of situations. BJJ can claim that technique and patience can defeat size and power. Proven in the original UFC by Royce Gracie when he would consistently defeat fighters 70lbs heavier.