A classic battle of styles as Mauricio "Tinguinha" brings his legendary lasso guard against Renato Barreto's relentless footlock attack. In this match, Renato finds the opening he needs and secures the submission, proving that even one of the most respected open guards in Brazilian Jiu-Jitsu can be vulnerable to a perfectly timed leg attack. Watch the full match and see how Renato dismantles Tinguinha's guard before finishing with a footlock. #BJJ #JiuJitsu #Tinguinha #RenatoBarreto #Footlock #LassoGuard #Submission #BrazilianJiuJitsu #Grappling #BJJHistory #OldSchoolBJJ #LegLocks #GiJiuJitsu #BJJMatch