Building Defensive Line Dominance Through Drills explains how coaches can develop productive defensive linemen by designing and implementing purposeful drills. The DVD provides a detailed explanation of the points of emphasis of each drill, as well as an easy-to-understand and apply demonstration of how each drill should be performed. Among the topics covered- agility drills, technique drills, read-and-react drills, and half-line drills. 2008, 55 Minutes