Zink Signature Series Snake Tongue Call. The Signature Series Snake Tongue uses three reeds with a unique snake-tongue meticulously cut into the top latex reed and two lower prophylactic layers below. It's all turkey. Specifications for Zink Signature Series Snake Tongue: Manufacturer: Zink Call Type: Mouth Call Last Chance: Yes Country of Origin: USA Features of Zink Signature Series Snake Tongue Snake-tongue cut triple reed Full range of raspy calling Custom built by hand Package Contents: Zink Signature Series Snake Tongue Zink ZNK-ZNK342: Signature Series Snake Tongue Call