A bell clamp with extension arm and phone clip for trombone players. The spring-loaded phone holder fits phones 50 to 90 mm (2.15" to 3") in width.

This universal phone holder attaches to any standard lyre mount and works for any instrument that has a lyre attachment. The spring-loaded phone holder clip fits phones ranging from 55 to 90 mm  (2.15"

A wrist/lower armband-mounted phone holder for flute, piccolo, and sousaphone players. The spring-loaded phone clip fits phones 50 to 90 mm (2.15" to 3") in width.