Learn the basics of How to Yelp, Cut, Cluck, Keekee, and Purr on a mouth call for turkey calling and hunting. In this instructional, how-to mouth call video, 14x National Turkey Calling Champion Chris Parrish gives expert tips on the proper rhythm of the Keekee sound on a Diaphragm call. This is everything you need to know about calling turkeys using a mouth call. Learn these basic turkey calling fundamentals for better success during the spring and in calling competitions. These are the best turkey calls to learn to bag a gobbler.