The overhook might seem like a simple grip, but it is a game-changer in Brazilian Jiu-Jitsu (BJJ ... When you lock an overhook on one arm, you can use your other hand to control their posture ...

Akido and sambo can also trace back their inspiration to ju-jitsu. Morehei Uyeshiba developed akido, which has particular focus on wrist and arm locks. Brazilian ju-jitsu, a modification of the ...