Wayne Carlton Double Reed Tone Trough Diaphragm Elk Call - The Wayne Carlton Double Reed Tone Trough Diaphragm call allows hunters to blow the call using less pressure while achieving great sounds. The Double Reed Tone Trough call uses high quality latex, making it easier to blow and provides superior durability. The Tone Trough is equipped with a premium flex frame to ensure consistent fit and stretch. The two reeds on the Double Reed create mature bull and cow vocalizations with unparalleled realism. Features Allows hunters to blow the call using less pressure; Superior durability; Prolonged life of call and reed; Premium flex frame; Unparalleled realism;