Field Proven master call designers Clay and Field Hudnall have combined traditional custom call making techniques with state of the art technologies to produce the Double Shot Hybrid duck call. Every call comes with a hand sanded and perfectly tuned tone board ensuring quality sounds at both high and low levels. Topped off with a lifetime warranty the Double Shot raises the bar of quality expectations and is a must on every waterfowl hunters lanyard. Double reed duck call; Hand tuned tone boad; Lifetime warranty ;