The Hunters Specialties HS-DOD-MC-TCP is a product designed by Mark Drury, a six-time World Champion. It bears the mark of excellence as it has been approved by the DOD Team. This latest addition to the Tongue Series of mouth calls showcases the latest in cutting-edge technology.Mark Drury has discovered that by amending the structure of the reed spacing and favoring a flat tongue over a pointed one, these mouth calls can deliver superior performance. Just like Mark, you too will be able to experience an enhanced performance with this new series of mouth calls.