Fiddlerman Collapsible Wood Solid Violin Shoulder Rest for 4/4 and 3/4 size Violins! (also fits 13" and 14" Violas)
The feet are height adjustable for a custom fit. The feet also collapse so the shoulder rest can fit inside almost any violin case. Solid wood body for a warm resonance. Padded with foam for maximum comfort.
You can also order this violin shoulder rest on Amazon (Prime members get free 2-day shipping)