Articles Are You Overtraining in Jiu Jitsu? This article was written by Marc Barton, who is a 2nd degree Jiu-Jitsu Black Belt under Mauricio Gomes. Marc is... by JJB Admin 2 weeks ago
Techniques Collar Choke From the Arm Wrap In this video, 2nd-degree black belt Marc Barton teaches the arm wrap choke from closed guard. Marc credits his instructor,... by JJB Admin A week ago
