44 are the initials of Coach Renes BBoy crew HG.   HG means Home Grown.  The 44 comes from the dial pad of a phone.  Jiu Jitsu Methods name is an homage to Coach Renes favorite BBoy Crew Skill Methodz. The number 44 appears in the gyms phone number, around the gym, and is hidden in the merch that is sold at the gym.