Jacob Mackenzie, a black belt under our GMA Roberto Cyborg, is decidedly one of the two or three best black belts in Canada. That’s quite a big deal, given that’s where GSP and Co. are from.
Jake’s forte is the half-guard, and if you haven’t checked out some of his Youtube videos, you’re missing out. But today GRACIEMAG.com wants to draw attention to some of his self-defense techniques, which you’ll find plenty useful… Check them out:
http://www.youtube.com/watch?v=QwiCBEG9fu8
