Knife Sharpener - Electric Knife SharpenerKnife Sharpener Electric Knife Sharpener This Knife Sharpener has a stylish and safety design, easy to clean and storage. The non skid rubber feet ensures your steadiness when sharpening. Step 1: Coarse sharpening: Use this only if your knife is very blunt. Place knives on the coarse stage. Using slight downward pressure, run the blade from its heel to its point through the slot. Repeat three times. \n \nOnce every six months or as required. Step 2: