The Phelps EZ SUK&';R Cow Calf Elk Call is the perfect tool for serious elk hunters. It features advanced inhale technology to produce a crisp, clear sound for the most realistic and authentic cow and calf elk sounds. With its hand-free design, it is more durable and longer lasting than traditional diaphragm calls. The AMP voice ensures the call will reach even the furthest distances with its amplified sound. Plus, the call includes one young/standard voice reed, so you have everything you need to start calling in elk right away. Prep for the hunt with the Phelps EZ SUK&';R Cow Calf Elk Call.To operate the call, follow the steps below: Gently bite by placing bottom teeth in the groove on the bottom side of the call. Seal your lips around the opening, inhale, and drop your teeth away from the call while maintaining a lip seal. For sound variation, cup your hands around the end of the call. To adjust tonal pitch and length, change the amount of airflow.".