BOLDe Super Utensil Knife SharpenerThe latest knife sharpener from BOLDe. Have a favorite knife collection? surely we don't want the beloved knife to be blunt or not maximum when used. Now BOLDe is here to answer these needs! Knife sharpener with 3 abilities. Ceramic material functions to sharpen the surface of a special ceramic-based knife. Adamas material functions to sharpen the surface of knives or fine scissors or even jagged ones. Tungsten material functions to smooth the surface of the blade so that it is much sharper4. A steady handle ensures that the hand stays safe when using the tool How to use: 1. Point the kitchen knife at the sharpener, try to form an angle of 22 degrees.2. Swipe the knife into one-way steel sharpening for several times