Our HW Brass-Saver(r) brushes offer a safe and effective method of cleaning corrosive saliva and mineral deposits from the inside of your horn. They can be used wet or dry, won't get stuck, and unlike the traditional snake, they contain absolutely no metal so they won't scratch. For a consistent sound every time you play, keep your horn clean with our HW Brass-Saver(r). Available for trumpet, trombone, French horn, baritone, tuba, and flugelhorn. Protected by US Patent #6,868,575.