Dycem black hole Are you tired of the cello endpin on your instrument sliding away from you? Are you tired if the endpin leaving marks on your floor? If so, then this is exactly the product that you are looking for. This cello endpin protector is made from a soft protective material designed to protect both your instrument and the floor, while at the same time, stopping your cello from sliding away while you play. This handy accessory is convenient and will keep your instrument in place while you are playing, and its small enough to keep inside of your case! This is great to keep with you to use whenever you may need it! Sent by 1st class post