Our repair shop uses rawhide mallets to loosen stuck bells, mouthpieces, and mouthpiece rims.Never tap on a brass instrument with metal hammers or similarly solid objects. Rawhide is just soft enough to prevent dents and scratches.If light tapping with a rawhide mallet does not loosen the bell or mouthpiece, try lubricating it and letting it soak for a few minutes before trying again. If even oil does not loosen the bell or mouthpiece, call your local repair shop. NEVER use excessive force to remove a stuck object -- you can cause hundred of dollars of damage.Basic brass instrument repair instructions PDF-----Note: Depending on supplier availability, your mallet may vary in appearance from those in the photos. This will not impact the mallet's durability or usefulness.
