Frosted surface brings a good hand feel and avoids scratches on stickerless cubes. Rounded holes on corners, edges, and the inner mechanism allows for the cube to have good corner-cutting, and a smooth feeling. Screws and springs inside make the cube adjustable, you can get a satisfying hand feel depending on personal preference. The?inner?unified?friction?surface?design?connects?the?edge?and?corner?pieces?perfectly,?improving?its?corner-cutting?and?controllability. Anti-sticky design on the contact turning face and feet avoids the sticky feel, which makes the cube more smooth.