Recognized as one of the best practice/warm-up mutes on the market. Its compact design fits nearly flush with the bell flare, allowing it to be kept in the bell when the horn is packed away in most bags and cases. Designed by Shinji Hamanaga, formerly with Yamaha. Specific Advantages and Features: • Lightweight. Lighter than other practice mutes. • Can be stored in most bells for travel. • Good intonation and airflow.