The revolutionary new Tonegear String Cleaner is now available for violin and viola, and works with instruments of ¼ size violin (12" Viola) and larger. It safely removes rosin deposits and residue and prevents oxidation, extending the life of your strings greatly. The Tonegear String Cleaner is the only procuct that cleans 360 degrees around all strings and the fingerboard at the same time, and requires no additional chemicals or agents to use, and it's reusable too! Get yours today at Sam Ash