Bodylock passes and all their variations are some of the safest and most effective guard passes in Jiu-Jitsu. Anybody can do them. You do not need to be athletic.
Jean Jacques Machado, a coral belt, uses the bodylock pass in the Gi. He actually shows a refreshing approach to the technique where he lets the opponent get the underhooks on him only to plant his arms, spinning his opponent and easily pass to the side.