Posted by dave on March 24, 1999 at 09:58:03:
In Reply to: Rotary Valve Bumpers posted by Joseph Felton on March 21, 1999 at 11:58:35:
my miraphone has silicone. I've been tempted to experiment with leather, teflon, surgical hose & neoprene. the vacuume cleaner belt sounds pretty cool. that may be neoprene.