BERP Buzz Extension and Resistance Piece for Large Shank Trombone / Euphonium

This new technology allows you to buzz on the mouthpiece while you finger the valves or move the slide. Buzz at the exact angle and playing position as you normally play. Problems with air or embouchure become obvious. It's simply the best way to practice. The original is the favorite practice aid of 30,000 brass professionals and students worldwide. Now, after 12 years of research and feedback from loyal users, we introduce the next generation: The New Ultimate B.E.R.P.!!! Large shank.

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