Avoiding ragged edges when removing the lid from an open can is tricky. By cutting below the edge on the side of the can, the OXO Good Grips Smooth Edge Can Opener leaves no metal behind. You can even replace the lid for smart storage. The side-wind knob is easy to turn and has a comfortable non-slip grip. The hardened stainless steel cutting wheel doesn't come into contact with the can's contents, while built-in pliers allow for touch-free lid removal. Hand wash with soap and water. Opens cans beneath their rim leaving smooth edges Align curve on top of Opener with can for easy opening Soft, comfortable non-slip side-wind knob and handles Built-in pliers allow for touch-free lid removal Sharp stainless steel cutting wheel doesn't touch can contents Lids can be replaced for smart storage How to use: 1. Align cutting wheels to top of can. Close handles to lock in place. 2. Turn clockwise; ridged indents on the inside of the lid show it's working. 3. Turn counterclockwise, then open handles. Use the built-in pliers to remove lid. Hand wash only