Horn-Crafts Horn Mute
Sylva and Betula are made from beech and birchwood, respectively. The Sylva is a lightweight resistance, weighing around 130 g, and the Betula is considered heayweight resistance, weighing 140 g.
The Khaya is made entirely from mahogany with a tunable/light resistance, weighing in at around 125 g.
Horn-craft Mutes are produced in the Netherlands.