-Chambered end allows you to make the deep guttural mature bull sounds
-1 1/4" mouthpiece helps create a better seal around your mouth to channel more air across the diaphragm and through the bugle tube
-Tapered mouthpiece helps you to hit and hold high notes
The Bully Bull ‘Extreme’ Grunt Tube is designed for use with diaphragm calls. With a new, larger diameter mouth-opening and tapered venturi design, the Bully Bull ‘Extreme’ creates consistent airflow with ideal back pressure for easier to obtain octave changes.