1. Hold the handle of sharpener, fix sharpener on the flat , and hold the prop with the other hand; 2. Knife sharpening steps: Rough grinding and sharpening are suitable for blunt and edged knives. Place vertically on the groove and pull it back 3 to 5 times in with appropriate force. If is not very blunt, you can skip to this step. Medium grinding: Place the tool on the middle groove, and then pull it back 3 to 5 times in with appropriate force. Fine grinding: This is a very important step for white ceramics, used to polish and sharpen the tool and tool burrs. 3. Scissors sharpening steps: When sharpening scissors using the scissors grinding groove in the horizontal groove, open the scissors and put them into the sharpening port. Clamp the sharpening rod with the scissor blades, push it forward evenly and then clamp it and pull it back like normal cutting items. Repeat several times. Precautions: 1. When sharpening , pull it back unilaterally, do not push or pull back and forth, and the force should not be too strong. 2. Not suitable for use with tools with large spaces to avoid damage to the sharpener and the tool. 3. This knife sharpener is not suitable for serrated knives 4. It should be cleaned with a dry cloth after each use and cannot be washed. 5. It is normal for the groove to turn black after sharpening. Colour:As Shown Material:Tungsten steel Package Contents: 1 x knife sharpener Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.