Feature:1. Reduces Resonant Noise: This cello wolf tone eliminator minimises resonant and echoing noise in the instrument for clearer playing.2. Wide Application: This cello wolf tone eliminator is suitable for a wide range of instruments such as cello, violin, trombone and cornet.3. Long Life: This cello wolf tone eliminator is made of metal, which is robust and resistant to deformation and has a long life span to ensure its practicality.4. Easy to Install: This cello wolf tone eliminator can be worn directly onto the tuning ring of your instrument without the need for tools, making it quick and easy.5. Easy to Carry: This cello wolf tone eliminator is very compact and easy to carry around, making it convenient for use when playing outdoors.Specification:Item Type: Cello Wolf Tone EliminatorMaterial: Metal.Package List:1 xCello Wolf Tone Eliminator