Zink Calls Thunder ST Turkey Call Diaphragm Call Black. The innovative snake tongue design allows for effortless rolling of rasps producing a high-pitched front end alongside authentic yelps purrs and clucks that turkeys can't resist. It's designed for ease of use requiring minimal air making it an ideal choice for both novice and experienced turkey hunters looking to enhance their calling technique. Specifications for Zink Calls Thunder ST Turkey Call Diaphragm Call: Manufacturer: Zink Calls Color: Black Features of Zink Calls Thunder ST Turkey Call Diaphragm Call: Hand-stretched and handmade turkey call from the Zink Thunder Series Constructed with 3 reeds for durability and sound variety Features a snake tongue design for easy rolling of rasps Produces high-pitched rasps yelps purrs and clucks Designed to require little air for ease of use Crafted in the USA Suitable for turkey hunting Type: Diaphragm call Package Contents: Zink Calls Thunder ST Turkey Call Diaphragm Call Zink Calls ZNK-TSTMC: Thunder ST Turkey Call Diaphragm Call Black