Using instruction: 1. Soak the stone into water for 5 minutes, then put it on a steady counter. 2. Coarse grinding, used to repair seriously damaged edge, suitable for blunt knives. Hold the knife at an angle of 10-30 degree, grind the edge on the surface of stone back and forth with gentle pressure, and sharpen it until the edge sharp enough. 3. Fine grinding, a necessary step to eliminate burrs of the edge. Use more gentle pressure, repeat step 2, and repair the edge until smoothly. 4. Please wipe it with wet cloth or rinse it with water after use, and then dry it. Caution: 1. Please use the whole surface of stone to keep the consistency when sharpening knives. 2. Protect the stone well and avoid it falling from the height. 3. Keep it out of the reach of children!
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