Hawkins Mutes Orchestral Straight Mute for bass trombone; by combining computer-design with years of playing experience, these mutes achieve all three, all within an aesthetically pleasing package: 1. produce a beautiful sound, 2.play in tune across the range with no 'problem' notes, and 3. are easy to play; the trombone straight makes a bold statement, both with its sound and its looks. With a timbre midway between a fibre and a metallic mute, you will add a whole new sound colour to your section; the ergonomic shape is both easy to grip and aesthetically pleasing; the proprietory design ensures that this mute plays in tune with ease across the entire range, and eliminates any problematic notes; add this to your section for a fresh new colour that will delight conductors and audiences alike