The Belle from the Primos Raghorn Ridge Elk Diaphragm Call Series has a single latex reed and a Sound Plate that correctly positions the call in the mouth, ensuring optimal sound production. Designed for generating authentic cow, calf, and spike bull bugles, The Belle is set at a 16-degree angle on the Sound Plate to make calling natural and effective. It's a must-have for producing high-pitched elk communications with precision.