Last weekend the Diesel Crew, Joe Hashey (Synergy-Athletics), AJ Roberts (Westside BB), and Zach Even-Esh got together and did some sick training at Zach and AJ's seminar. AWESOME work here. You can check out Zach's training underground training on his ebook at the side link! You can also get one of the many Diesel Crew's manual's there also the Sled Dragging Manual They both ROCK!!