Extendabone trombone slide extension BR_FMP or brown leather with brass

or brown leather with brass hardware

The sound is a full beautiful mellow timbre with good intonation throughout the horn

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

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

Great for playing outside on cold days or for those who suffer from silver allergies on the chops

Extendabone trombone slide extension BR_FMP or brown leather with brassExtendabone 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.