Extendabone trombone slide extension BR_FMP Extendabone is an affordable solution

Extendabone is an affordable solution to the age-old arm length problem plaguing trombonists around the world

This cup has a larger throat entrance than the GR #1 cornet cup and will blow more open

Rugged 600D nylon exterior

Built-in padded backpack straps that can be tucked away

The Berp clamp fits firmly onto the open end of the instrument’s receiver

Extendabone trombone slide extension BR_FMP Extendabone is an affordable solutionExtendabone is an affordable solution to the age old arm length problem plaguing trombonists around the world. This ingenious product allows even the smallest player to be more successful with their intonation on the instrument. Students who feel more successful, have more fun, and are more likely to stick with it.