During testing by Acoustica Grip artists, as well as by teachers and students, everyone agreed that this product is innovative for the cello. The main reaction: "I have waited for this product my entire life as a cellist"; Suitable for 4/4 down to 1/2; Acousta Grip Cello pad offers enhanced comfort and beautiful design; Easily mounts and dismounts; Can be easily stored in a box or case; Protects the cello from sweat; Prevents slipping; Allows musicians to feel the natural vibrations of the instrument; Increases sound volume; Double-layer pad; Provides all the benefits listed;