Learn how to choose the right choke with this instructional DVD on Shotgunning techniques. The Sporting Clays DVD teaches techniques such as pattern reliability, shot spread analysis, flight characteristics, variables and pattern size.Perhaps the biggest mystery in shotgunning today is choke and what it does to the shot cloud at different distancesThis graphic display will show you the actual size of the shot cloud at 5 yard increments out to 50 yards with 5 different chokesThere will be no doubt in your mind which choke to use on which presentation at which distance in sporting clays after studying this DVDTeaches techniques such as target profiles, pattern reliability, shot spread analysis, flight characteristics, variables and pattern sizeDimensions: 6 inches high x 8 inches wide x 1-inch deepModel: BV-CSMS