The EVEREST shoulder rest is the most comfortable and affordable shoulder rest available. Designed in America and manufactured with the best materials and technology. The EVEREST shoulder rest was ergonomically designed by biomedical engineer John Hopkins to overcome many of the shortcomings of traditional shoulder rests. Other shoulder rests from existing manufacturers have very good designs, but many players did not seem to find them comfortable. EVEREST violin and viola shoulder rests are ergonomically designed and patented, providing the best comfort for violinists and violists of all levels. Unused and stored for a long time after purchase. There are no boxes or accessories. Please take a good look at the images for the product.