The Denis Wick Tone Boosters are designed to fit most mouthpieces to increase the mass or weight at the cup of the mouthpiece. This allows the player to get a bit more energy into the horn without additional effort. They also help stabilize the mouthpiece to make it easier to "lock in" to the notes.

Denis Wick French Horn Mouthpiece Booster Features:

• Help stabilize the sound
• Decrease effort
• Designed to fit most mouthpieces

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