The Primos 1656: Primos Raghorn Ridge Elk Diaphragm Call Series is an exceptional range of mouth calls crafted for the dedicated elk hunter. Its main strength lies in its ability to perfectly reproduce high pitch cow and calf sounds.The \'Preacher\' variant is a medium-frame mouth call featuring a trimmable tape. This design is particularly advantageous for individuals with medium to small palates, as it ensures the potential to achieve a perfect seal, thereby facilitating highly precise calling.The sound plate is set at an optimal angle of 16 degrees, which is ideal for generating the sounds of cows, calves and spike bull bugles. This angle also auto-positions the call specifically for cow, calf, and spike bull calls, adding to its versatility and effectiveness.