ATN Playing Offensive Line DVD - Football instruction from the Greats of the Game! Techniques taught and stories told with authority by the NFL's prominent coaches and star players. Gain a performance edge or develop sound fundamentals to grow your game. A perfect lesson on the line play: man and zone blocking taught by Hall of Famer Mike Munchak and the great Bruce Matthes of the Titans, and Jets standout Kevin Mawae. Plus, pass protection precision from 8 time Pro Bowl selection Steve Wisniewski. This DVD is coded for Region 1 only.