The Ashi Leglock System DVD by Jay Wadsworth
The ashi garami leg attack system: The checkmate system for non-IBJJF competitions. Warning: Dangerous techniques!
If you train a lot of no gi and compete in No Gi competitions like NAGA, you need to know these moves. This is the most deadly position in No Gi Grappling It starts in Single Leg X and, bing, bang, boom, the fight is over. All of the best new school no gi grapplers do whatever they can and once they are there, it is done.
If you want to win at no gi when things get advanced, you have to know how to get there and how to finish from Ashi Garami, it is that simple.