ATTACH, GRIND, HONE. Sharpening knives can be so simple. The angle support magnetically holds your knife in place for the rotating discs and ensures precise sharpening. CONSTANT GRINDING ANGLE Knife sharpening can sometimes be tricky, but HORL ® sharpeners make it really easy and a true pleasure for everyone. No prior knowledge or experiments to obtain the right angle are needed! While the grinding disc rolls gently back and forth along the blade, the knife is held firmly in place by the magnetic angle support. For moments of pure pleasure whenever you use your knife. (less)