Producing a full range of elk sounds, the Riven Black Ice Diaphragm Elk Call is a must-have for serious elk hunters. This dome-free diaphragm call is perfect for callers that already have the basics of using a diaphragm call down, giving you the range to produce full bugles and chuckles. The Riven Black Ice Diaphragm Elk Call uses durable tape. Produces full range of elk sounds Dome-free design is ideal for advanced callers Excellent for full bugles and chuckles Durable tape