What do the three most desired positions in Jiu jitsu have in common? The two most dominant positions in Jiu jitsu are mount and mount. The best position when underneath an is guard. What do all three have in common? YOU CONTROL AN OPPONENTS HIPS AND BETWEEN YOUR KNEES. This allows an extraordinary amount of control and also the ever present opportunity for the best submissions in the sport. Make it a habit to line up with an opponent and control him between your knees. This fulfills the Jiu jitsu of grappling an opponent with your legs and upper body second.