ONE TIME OFFER: Add Matt Arroyo's Back Attack Blueprint (Digital Version) for only $57 (almost half off) This is a proven system to finish even the best grapplers from the back. A blueprint of exactly what to do. It is the perfect marraige to the 50/50 Of the Arms which gets you to the back position 80% of the time. This discount is only valid on this page right here right now. Click the check mark above to automatically add to your order.