1Adjustable Design: This cello end pin anchor features an adjustable design that extends from approximately 14 inches to approximately 27 inches, making it suitable to meet the playing preferences and length needs of different cellists. 2Good Non Slip Ability: This cello end pin holder has a excellent non slip foam on one side, which keeps the cello stable and non slip while playing. 3D Ring Metal Design: This cello non slip mat pad features a D ring metal design, which provides better non slip ability compared to O ring. 4Foldable Design: This cello anti slip mat has a foldable design that makes it easy to carry around and doesn't take up too much storage space, so you can take it and your cello with you wherever you play. 5Wide Application: This cello anti slip mat belt has a wide range of applications, it can be used for practicing, stage performances, concerts and so on.