The Impossible Made Possible!

Finally you got what you all were wanting to do for over 170 years - trill from low B to Bb. (well, maybe not all of you)

Nevertheless, this simple, yet effective, attachment is a non-intrusive, easy to use and install trill actuator that can be engaged with a sliding move of the middle finger. The position of the “Trill Actuator “ can be adjusted for individual comfort. Will fit most of modern alto and tenors. Available in standard Gold or custom White Rhodium (silver), Antique Brass and Solid Sterling Silver.