YAMAHA TBHS2 Trombone Hand Supporter: Improves Posture and Playability During Performance. Made of Cowhide Leather for a Comfortable Fit. Adjustable

This supporter helps to improve the grip on all trombones (especially heavy trombones with F-attachments), and also improves playing posture and operability. Made of genuine leather (glove leather), it is soft and conforms to the hand for a comfortable fit. Because the supporter wraps around both the hand and the instrument, it makes playing while moving easier. It is easy to attach, simply by wrapping the supporter around the instrument. The size is designed to be easy to use even for people with smaller builds and to minimize the impact on sound (standard use: 115mm).