Take the technique-specific calling of the competition stage to the woods with you this season with the Power Calls Yelper DiaphragmTurkey Call. An easy to operate, mid-volume mouth call, the Yelper offers a versatile sound that helps callers handle a tough spring gobbler. Helps hunters deliver calls filled with a medium rasp and clean front end yelps. Diverse range.Manufacturer model #: 24234. High performance, technique-specific diaphragm call for turkey hunters Mid-volume call with medium rasp and clean front end Diverse range helps hunters adapt to the situation Easy to operate