Daddario Practice Grip Instrumental Hand Exerciser BO611 or nickel-plated pistons

or nickel-plated pistons

Adjustable thumb rest for personalized comfort

in a marching band

The poly-cylindrical bore design improves intonation and tonal consistency across registers

The Berp is the most efficient tool you can use to help yourself become a better brass player

Daddario Practice Grip Instrumental Hand Exerciser BO611 or nickel-plated pistonsPractice Grip is a pocket sized hand and finger exerciser ideal for woodwind and brass instrumentalists who use keys or valves. This conditioning tool is designed with light overall tension to foster proper, healthy finger motion, digital independence, and increased finger speed and dexterity. The tension in each individual spring loaded piston is adjustable, making this device also useful for finger, hand, and forearm strengthening. Ideal for all