Flextone Thunder Cluck n Purr Gen2 Turkey Call - Introducing the next generation of the Thunder Series calls designed by Flextone founder Tom Wiley. These hand held, mouth blown turkey calls use Flex-it technology and double-sided sound chambers to produce accurate, natural turkey sounds that anyone can master with little practice. Patent pending design for mid to close range callingSmall double reeds for soft clucks and purrsErgonomic mouth piece for consistent tones