The Primos Raghorn Ridge Elk Diaphragm Call Series are premium mouth calls designed for serious elk hunters. Every call is custom-designed mouth calls are extremely sensitive and realistic. The Preacher and The Kid are medium-frame mouth calls with trimmable tape. This feature allows those with medium to small palates to get a perfect seal on the call for super accurate calling. – These calls are excellent for high pitch cow and calf sounds. The Outlaw and the Belle are produced with our Sound Plate which automatically positions the call in your mouth at the right place and angle making calling easier. Set at 16° the sound plate is at a perfect angle for producing cow calf and spike bull bugles! – One Latex Reed – Automatically positions for cow calf and spike bull calls.