Primos Bull Horn Bugle - The Bull Horn is easy, accurate, and super compact. Together the patented Support Shelf mouthpiece and expandable hose of the Bull Horn enable you to reproduce accurate bugles and cow calls with variable tones. The hose is also designed to expand from 7" to 24" for variable tones and compact carry. Expandable hose (7"-24") Patented Support Shelf mouthpiece enables you to reproduce bugles and cow calls accurately and easily with little air pressure Comes with patented Blue "Snap-On" Reed that is long lasting, giving you perfect tension and tones