These cute little, handy knife shaperners with a suction pad are a nice addition to your home. Great for gifts and easy to use and safely sharpens your knives effortlessly. Simple instructions for use: Fix the sharpener to any flat surface, and pull down the grip to lock the sharpener by the suction pad. Put your knife in the sharpener and use a back and forth motion. Pull back the grip to release the knife sharpener when you are done.