A dense metal weight, mounted on springs, resonates sympathetically with the instrument at the specific frequency, or pitch, of the cello's wolf tone.
The resonance of the Wolf Resonator serves to cancel out that of the wolf note. Includes varnish-safe putty for mounting on the exterior of the cello's top. A luthier/repairperson can install the Wolf Resonator on the inside of the table for a permanent remedy.
Available in three weights, depending on the pitch at which your wolf is active: