Quaker Boy Elevation Series Diaphragm Call Triple. This increases the call vibration and brings the reeds closer to your tongue for ease of use resulting in an easier to operate call. Triple reed is capable of performing clean and clear turkey vocalizations. Package Contents: Quaker Boy Elevation Series Features SealRite cushioned frame to conform to every palate size and shape. This increases the call vibration and brings the reeds closer to your tongue for ease of use resulting in an easier to operate call. Triple reed is capable of performing clean and clear turkey vocalizations.