The K.A.T.C.H. Leg Attack System by Dean ListerHow To Surprise and Submit Your Opponents On the Mat. Even Younger, Stronger, Faster & Higher Ranked Beasts With The Most Lethal & Least Understood Attack In Grappling: The Leglock. Leglocks Are The Great Equalizer Dean Listers System Is Almost Like Cheating Because Your Adversaries Arent Taught To Defend It Leglocks have been called the great equalizer it doesnt matter if you are big, strong, fast or flexible; all that you need to apply a successful