1. This standard NANYI Shoulder Rest is our most popular model, fits 4/4 size violin and adjustable to 3/4 size violin. | 2. Thickened high-density wear-resistant sponge contact surface, comfortable and convenient. | 3. This violin shoulder rest has Curved bar. Perfectly fit for human's shoulder shape, it contacts more body area for secure hold. Provide you more natural and comfortable experience. | 5. Violin shoulder Rest (violin shoulder pad): lining between the violin and the shoulder, so that the position and direction of the violin on the shoulder is relatively stable, the violin is not easy to fall, the neck does not need to kneel, reduce the neck and The trend of hunchback. | 5. Violin shoulder Rest (violin shoulder pad): lining between the violin and the shoulder, so that the position and direction of the violin on the shoulder is relatively stable, the violin is not easy to fall, the neck does not need to kneel, reduce the neck and The trend of hunchback.