Unstoppable No Gi Guard Sequence by Bill "The Grill" Cooper
Bill Cooper's Deep Half Guard Killer DVD!
Rolled Up Episode 19 - "Houdini" Escapes with Bill Cooper - Part 2
Carlos Diego Ferreira VS Bill Cooper / Pan Championship 2009
Bill Cooper vs Nino Schembri - Jiujitsu Super Fight
Absolute Battle - Roberto “Cyborg” Abreu vs. Bill Cooper - Grapplers Quest Black Belt Finals 2009
Bill Cooper VS Otavio Sousa / World Championship 2008
The only App that can give you results through singing and humming search!