The Primos Raghorn Ridge Elk Diaphragm Call Series features a collection of high-quality mouth calls, expertly crafted for serious elk hunters. Each call is uniquely designed to provide outstanding sensitivity and true-to-life sound, delivering a realistic elk calling experience. Built for precision and authenticity, these diaphragm calls are essential tools for hunters looking to refine their technique and boost their success in the field. Single Latex Reed Automatically adjusts for cow, calf and spike bull calls