The Wild Frenzy Bugle Tube from Rocky Mountain Hunting Calls delivers both the volume and raspy sounds you need to throw down a challenge to big bulls when the heat is on during the rut. Volume Enhanced Tone Technology (V.E.T.T.) system allows you to produce exceptional volume, consistent high notes, raspy growls, and smooth octave changes all with minimal air pressure. Easily packable design measures less than 18" long. Tapered 1" mouth opening fits to your lips, making sounds easy to control. Integrated Tube Tamer reduces vibration for authentic sound to fool the most discerning ears. Throw down a challenge to big bulls Volume Enhanced Tone Technology Exceptional volume Consistent high notes Raspy growls Smooth octave changes Requires minimal air pressure Tapered 1" mouth opening for easy control Integrated Tube Tamer reduces vibration