Cow sounds should be smooth, which is why we created the Riven Elkasus Diaphragm Elk Call. Riven designed this call to have more backbone when hitting cow sounds. The Elkasus has a heavier latex that will stand the test of time while still producing the full range of a cow / calf's vocabulary. This Call Creates a Full Range of Cow and Calf Sounds,Mews, Cow Bugle, and Estrus Buzz. The Elkasus Small Domed Elk Diaphragm Call creates Low, Medium & High Tonal Range Vocalizations for Elk Hunting and Calling. FeaturesSmooth: Cow sounds should be smooth, which is why we created the Elkasus. We designed this call to have more backbone when hitting cow sounds while still demonstrating a full range of elk tones.Versatile: The Elkasus has a heavier latex that will stand the test of time while still producing the full range of a cow / calf's vocabulary. This Call Creates a Full Range of Cow and Calf Sounds,Mews, Cow Bugle, and Estrus Buzz.Range: The Elkasus Small Domed Elk Diaphragm Call creates...