The Rolling Thunder Game Calls Josh Grossenbacher Signature 2 Reed Combo Cut Diaphragm Turkey Call was designed by World Champion Turkey Caller, Josh Grossenbacher. Consisting of 2 heavy latex reeds and a ghost cut, this signature call will produce soft and loud whistles and deep raspy yelps. A great call for spring and fall turkey hunters. Josh Grossenbacher is arguably the most prolific mouth call maker in recent history. The man knows how to build mouth calls, and every call that leaves our shop is built by Josh. Josh is the 2015 World Champion and the 2017 Grand National Head-to-Head Champion, and has twice been the 1st runner-up in the Senior division of the Grand National Championship. Features2 reed designCombo cutProduces a variety of sounds