The Herco Nylon Brass Mouthpiece Brush is designed specifically for the interior cleaning of brass instrument mouthpieces. Featuring firm yet flexible nylon bristles, this brush safely removes built-up debris, saliva, and residue without scratching or damaging the finish. The compact size ensures easy access to hard-to-reach areas inside trumpet, trombone, and other brass mouthpieces. Regular use helps improve hygiene, airflow, and tone quality. Ideal for students, educators, and professionals seeking reliable maintenance tools to preserve their brass gear.