Feature:1. MAIN PURPOSE: Installed at the lower end of the back plate and fixed at both sides, playing the role of separating the back plate from the human body and not restraining the vibration2. APPLICABLE SIZE: 4/4 and 3/4 universal design, the violin shoulder rest can be well fixed on the violin, making the violin box stable and comfortable when playing3. THICKENED SPONGE: The violin shoulder rest is made of thickened sponge, which can fill the gap between the shoulder and the violin to help holding the violin4. EASY TO ADJUST: The violin shoulder rest is adjustable design, and the position can be adjusted according to the needs to ensure flexible and reliable operation5. LABOR SAVING: When playing the violin, the use of shoulder rest can avoid the posture of shrugging shoulders or lowering head, and reduce shoulder fatigueSpecification:Item Type: Violin Shoulder RestMaterial: Plastic, SpongeSpecification: 4/4 and 3/4 Universal.Package List:1 x Violin Shoulder Rest