The Thumb Gapper® - Optimize Your 1st Slide Thumb Saddle

Similar to The Gapper®, the Thumb Gapper® reduces extra room in the trumpet thumb saddle.
The Thumb Gapper® is avaialble in 5 sizes:
- The XS Thumb Gapper™ is 8.125mm thick, and designed for extremely wide saddles and/or very small hands.
- The small Thumb Gapper™ is 6.6mm thick, and designed for wide saddles and/or small hands
- The medium Thumb Gapper™ is 5.1mm thick, and designed for average sized hands.
- The large Thumb Gapper™ is 3.56 thick, and designed for narrower saddles and/or larger hands.
- The extra large Thumb Gapper™ is 2mm thick, and designed for the narrowest saddles and/or very large hands.