How to Really Get Your Black Belt Gary Berger 7 years ago How to really get your black belt! The Grapplearts BJJ Master App for Apple and Android is free at https://www.grapplearts.com/masterapp 325 11 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…