The Terminator Elk System was made for accurate and easy to duplicate elk sounds. The Terminator can be used with any of our elk mouth diaphragm calls, but it especially works well with our Sound Plate calls. It is excellent for bull elk glunking! This is the state-of-the-art design for reproducing accurate elk resonance and tone!Learn how to use the Primos Terminator bugle tube. This bugle tube has been around for a long time, and that’s because of the great results it consistently produces. Don’t forget the Terminator is LOUD!Resonator End duplicates an elk’s voice chamber for accurate nasal elk tonesPatented Support Shelf mouthpiece enables you to reproduce bugles and cow calls accurately and easily with little air pressureComes with patented Blue Snap-On Reed that is long lasting, giving you perfect tension and tones every timeProtective cap also doubles as storage for extra Blue Snap-On ReedsCamo coverSling lanyardUS Patent No. D470,068