with Steve Lynn, University of Iowa Drills emphasize proper relay techniques and promote team work. Drills for blind (speed) exchanges for the 4x100 meter relay, semi-blind (safety) exchanges for the 4x200 meter relay and visual (open) exchanges for the 4x400 meter relay and farther are featured. The duties for the incoming and outgoing runners are also explained. 1992. 32 minutes. DVD. $39.95