The millstone should be soaked in water for a period of time, and the soaking time depends on its dryness. At least it is better not to soak the millstone in water.

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For safety and splash protection. You can put the millstone on an old cloth that is spread out. In this way, water droplets and splash caused by instability can be alleviated in the cloth.

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First, the right hand holds the handle of the scissors as shown in Figure 2, and leans the inclined plane of the scissors against the grindstone.

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Then the left hand is naturally supported on the scissors. Pay attention to the posture of the left hand as shown in the figure. Three people or four fingers press on the scissors, and the thumb naturally opens to press the other piece of scissors. The purpose is to keep the scissors stable.

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Hands push and pull scissors back and forth on the grindstone in this way. Pay attention to stability, that is, the inclined plane of scissors is always parallel to the grindstone plane. Polishing on coarse sand first, and then molding on fine sand. Until the edge of the scissors looks like a line. Grind another pair of scissors in the same way.

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It's ok if both slopes are sharpened. Be careful not to close the scissors at this time. It is also necessary to repair the two planes of scissors several times on the fine sand and oil surface of the millstone. Don't grind these two planes hard. If there is a hem, just grind it flat a little.

Matters needing attention

Don't grind the two planes of scissors, only trim the cutting edge.