Featuring Rigan Machado World-famous Jiu-Jitsu exponent Rigan Machado, a direct descendant of Carlos Gracie, reveals the devastating techniques of Machado Brazilian Jiu-Jitsu. Rigan shares some of his vast knowledge on chokes. Simple chokes! Spinning chokes! Reverse chokes! In addition, Rigan teaches such famous techniques as Rear Naked Chokes, the Triangle, and the Crucifix.