The duel between Felipe Pena and Xande Ribeiro was the highlight of the Abu Dhabi Grand Slam Jiu-Jitsu World Tour Tokyo, this Sunday, in Japan. With two sweeps against one by Xande, Preguiça won 4-2 to claim the gold medal. The Gracie Barra black belt used the single X guard to throw Xande out of balance and score the winning two points. Here’s Pena explaining how he does it. Go train.