BJJ Legends Rickson Gracie Self-defense Attack from behind Gary Berger 7 years ago Rickson Gracie and Mafu Kobus demonstrate self-defense technique when attacked from behind. July 29th, 2014 18 0 Username or Email Password Remember Me {{#message}}{{{message}}}{{/message}}{{^message}}Your submission failed. The server responded with {{status_text}} (code {{status_code}}). Please contact the developer of this form processor to improve this message. Learn More{{/message}}{{#message}}{{{message}}}{{/message}}{{^message}}It appears your submission was successful. Even though the server responded OK, it is possible the submission was not processed. Please contact the developer of this form processor to improve this message. Learn More{{/message}}Submitting…