Posted by Tom Mason on July 27, 2002 at 15:49:28:
In Reply to: Rotor Caps on Bass Trombone posted by Doubler on July 27, 2002 at 15:36:51:
There is a company that makes a leather wrap to go around valve casings on double basses.
I got a set from international music at the ITA convention in Nashville last year. They are made for particular models.