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