This hand-held tool has a 360 degree rotating blade which enables you to cut very complex shapes easily and quicklyergonomically designed so that you can hold it like a pencil. Itu2019s quite different to a regular scalpel because the blade rotates twisting as you cut making it faster and easier to cut rounded shapes than with a standard scalpel. The big advantage is that when cutting curves you donu2019t need to keep rotating the paper around to ensure youu2019re always cutting towards you. Itu2019s also designed to not cut your skin The blade swivels as you move so it feel more like writing than cutting.Wobbly lines abstract shapes and curves were the most satisfying to do because it just glides along making it really fast to do. Designed to easily cut thin sheet materials such as paper thin card masking tape vinyl tissue paper and foil. Unlike other craft knives the blade will not readily cut human skin in normal use and it is therefore very suitable for use in schools for younger craft and hobby enthusiasts.