A razor-sharp cutting edge is finally obtained with one or two light strokes on each side of the blade. 

FEATURES:

• Place roller knife sharpener on flat surface with knife edge against grindstone and blade resting on inside of roller.
• Use a steady back and forth sawing motion with downward pressure.
• Allow knife to roll with stone. After 10-15 strokes repeat for other side of blade.
• When sharpening curved end of blade raise hand slightly to remain in close contact with grindstone.