The snow goose voice is a challenge to reproduce accurately.To achieve the highs lows and growls of snow geese primos developed the technology to shave a reed precisely to a certain thickness.This produces a reed with a thicker middle for backbone and a thinner tip for sensitivity and accuracy in sound.It takes much less air to blow than other snow calls with tremendous volume and overwhelming realism.Type: Reed CallSpecies: DucksMaterial: PolycarbonateSound Species: Snow GeeseElectronic: NoBattery Size: NoneColor: WhiteStyle: MouthSounds: Flock of Geese