Duane began his fighting career at the age of 15 and has been a student under many world class teachers, including Bas Rutten. He has competed all over the world against some of the very best fighters in both kickboxing and MMA. Now Duane has taken his experience and created a cutting edge training system guaranteed to take you to another level whether you are a fighter or a coach. Features detailed explanation of essential striking techniques, blocks and counters, mindset and strategy, and how to use the BANG number system for training with a partner or without.