Introducing the Riven Menace, an Elk Call that embodies two years of relentless design and refinement. This durable polycarbonate call with its bite and blow design delivers a rich, nasal cow sound that's unmatched in realism. Riven custom-tuned tone board ensures flawless performance, eliminating any risk of sticking, so you can rely on it when it matters most. The Menace has an adjustable O-Ring for fine tuning and an adjustable lanyard. This call is the ideal solution for those that struggle with diaphragm calls. FeaturesEasy to Use: with its durable polycarbonate construction and premium tone board, the Menace is the ideal solution for those that struggle with diaphragm calls.Custom Tuned Tone Board: Expertly tuned to prevent sticking and ensure flawless performance in all conditions.Bite and Blow Design: Delivers a rich, nasal cow sound that is unmatched in realism, perfect for calling bulls.Includes: an adjustable O-Ring for fine tuning and an adjustable lanyard.