The Trombone Thumb Gummi guides the right-hand thumb and fingers into a relaxed, natural position on the slide brace, promoting a consistent and comfortable grip. Stabilizing the right hand helps prevent excess tension that can creep into the left hand, improving overall posture and balance. This frees players to focus on breath support, slide technique, and playing confidently through all positions.
The yellow version shown in some of the pictures is not available.
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