Artino Rubber-covered Steel Practice Mute for Cello 7/8 Size It is often used by

It is often used by players in humid conditions

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but because of the reduced thickness of the outer shell

Although they ARE sturdy and secure

and an outside layer of sleek

Artino Rubber-covered Steel Practice Mute for Cello 7/8 Size It is often used byA heavy mute for reducing the output of sound for practicing without annoying your housemates or neighbors. Maintains a pure tone, just much quieter. Made of metal with a rubber outer coating. If your bridge is properly tapered at the top, this mute will fit perfectly. However, if the bridge is too thick at the top, this mute may not fit. You can loosen the screws a bit to help it fit, but it is not designed for that usage.