using introduction:
1. Place the knife sharpener on a stable surface. Hold the knife sharpener with one hand to hold the knife.
2. According to the blunt knife, do as the following one, two or three steps:
Stage one: suitable for scissor . Put the scissor on the slot, and put back 3 or 5 times with proper pressure.
Stage two: suitale for blunt knife. The same sharpening way with the stage one. It is recommended to do it approximately half a year.
Stage three: suitable for fine sharpening and bread knife . The same sharpening way with the stage one and two. It is recommended to do it approximately once a week or daily use.
3. Clean the knife with the water or wiper and dry it after use; Clean the knife sharpener with non-abrasive brush.