Renzo Gracie recently returned to the ADCC Worlds and again beat Japan's Sanae Kikuta, whom he had defeated at Pride 2.
At over 45 years of practice in BJJ, Renzo is a renowned figure in the sport.
Now take a look at just one of the many positions from the course taught by Renzo, "Mastering BJJ." Here he shows you how to execute the ZIP LOCK.
"And, if you sign up today, you will be in the running for the rash guard I wore Sunday at the ADCC -- and a few other perks. We will announce the winners this upcoming Monday."