You’ll know the rotation direction is correct when the bit glides smoothly over the nail without pulling or catching. The movement should feel smooth, not like it’s hesitating or resisting. To work comfortably depending on hand position. Changing the rotation direction helps you work more comfortably and with better control. It allows the bit to glide smoothly over the nail, especially when switching hands or working around the cuticle area for a more precise and effortless result. To know which direction to use on which hand and/or area, please refer to our Rotation Direction Guide.