William Cooper almost never uses his real name.
He is best known as Bill “The Grill” Cooper, one of the most acomplished American black belts of his generation.
Recently, he was on the cover of GracieMag #190, teaching the Armlock Dossier.
Here is Bill again, now in video, teaching one of the techniques featured in the printed magazine.
Watch closely and learn how to get an armlock using a basic kimura grip.