Deliver true wood duck sound this season with the Core Wood Duck Whistle Duck Call from Rolling Thunder Game Calls. Inspired by traditional Olt D-2 calls and Rolling Thunder's passion for all things cutdown, this single reed whistle call makes a great compliment to a lanyard full of mallard calls. A durable 1-piece acrylic call with long-lasting metal guts, this call helps duck hunters produce a full range of wood duck sound from attention-grabbing squeals to finishing whines.FeaturesTrue wood duck sound from a durable 1-piece acrylic callInspired by classic Olt D-2 call designLong-lasting metal gutsProduces a full range of wood duck sound