Leg entanglements allow you to stay a step ahead at all times in guard play: An can hide his upper body from submissions quite well simply by standing up. He can negate whole categories of by switching between standing and kneeling . One thing he can never hide by completely by changing stance is his legs – there is always a way to enter. Once you start threatening the legs your opponent cannot simply ignore it – he has to react. As such you immediately put him in a framework where he is reacting to YOUR game rather than you to his. In combat sports this is a crucial advantage. Here, Garry Tonon ties up the great ADCC champion Vinny Magalhaes in a classic backside 50/50 and puts him under pressure despite the big size difference. Learning to dictate the pace and get an opponent into a reactive mindset is a crucial part of guard play – learning to attack legs from everywhere is a great way to do it!