The Wow-wow is a favorite effects mute. The "wah-wah" sound is made by a sliding cup in the end of the mute. Famous musicians have used and endorsed Harmon mutes for over 25 years. Made entirely of a
Free blowing. Trumpet players no longer have to sacrifice range, endurance or the integrity of their practice during sessions when a mute is necessary. The Brass Spa practice mute is free blowing and
