Conn-Selmer 337 Slide-O-Mix 337 Trombone Lube System Fishman Pickups and unadulterated sound

and unadulterated sound

Loop-based audio sequencer for music creation

easy-access 9v battery compartment and included external power supply

without the gut string disadvantages

Conn-Selmer 337 Slide-O-Mix 337 Trombone Lube System Fishman Pickups and unadulterated soundConn Selmer 337 Slide O Mix 337 Trombone Lube System No more mess. No more oily hands. It's just smooth sailing with the Conn Selmer 337 Slide O Mix 337 Trombone Lube System. Preferred by professionals worldwide, only a small amount of this long lasting trombone maintenance formula applied directly to your slide from the bottle will give it maximum speed and action for easier playing. Get yours today at Alto Music!