SealRite cushioned frame technology. Conforms to palate. Superior airtight seal. Increased reed vibration zone. Raspy tone. The Elevation Series Old Boss Hen is meticulously crafted of two .006 latex reeds. Quaker Boy slit the corners on the longest reed which adds realistic rasp; the Old Boss Hen is the easiest call to perform the medium rasp vocalizations of the wild turkey. The patented SealRite cushioned frame technology conforms to virtually every palate size and shape.