Denis Wick He is a former president of the International Trombone Society. He served as principal trombonist of the prestigious London Symphony Orchestra for 31 years, and has contributed to the training of musicians at institutions such as the Guildhall School of Music and Drama and the Youth Symphony Orchestra. He is also known as the author of trombone instruction books. He is also active as a conductor of brass and wind ensembles. Leveraging his extensive knowledge and experience in instrumental performance, he develops mouthpieces and mutes at Denis Wick, the company he founded. Denis Wick mutes are handcrafted by skilled artisans, ensuring consistently high quality in sound and pitch. When Denis Wick was actively performing with the London Symphony Orchestra, he would create prototypes and have them tested by the orchestra. The current straight mute design originated when composer B. Britten, who was present at the time, exclaimed, "This is the tone I've been looking for!" ■Cup Mute: The cup can be slid to adjust the distance from the bell, allowing you to customize the tone and volume to suit your instrument and the player's desired sound. Its excellent pitch and ability to be picked up well by microphones are also notable features. ■DW5533 Bass Trombone Cup Mute *This product may not be compatible depending on the bell shape and diameter.