Self-Defense
Defend yourself against an underhand knife attack
Ryron Gracie and Rener Gracie of the famous Gracie Jiu-Jitsu Academy show us how to defend against an underhand knife attack at Puerto Escondido beach in Costa Rica.
RP
Richard Power
Ryron Gracie and Rener Gracie of the famous Gracie Jiu-Jitsu Academy show us how to defend against an underhand knife attack at Puerto Escondido beach in Costa Rica.
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