Who granted this American Brazilian jiu-jitsu practitioner, who founded Metamoris, a black belt?
Metamoris: Metamoris is a Brazilian jiu-jitsu promotion, founded by Ralek Gracie, that organizes events in Los Angeles, California. Ralek Gracie: Ralek Gracie ( ; born October 4, 1985) is an American Brazilian jiu-jitsu practitioner and mixed martial artist.
i don't know