Made to be heavy, we built a call that wont break. It can hit the highest bugles you can muster, while also holding deep resonant tones. We added a heavier latex to increase longevity. Bugling, Chuckling, Screams, Cow & Calf Sounds. The Comet Small Domed Elk Diaphragm Call creates Low, Medium & High Tonal Range Vocalizations for Elk Hunting and Calling.