USAGE： Simply draw the knife through each slot a few times to achieve a razor-sharp edge. Stage 1-begins the sharpening process with coarse-grinding which suit to dull knives. Stage 2-continues sharpening with plating rod sharpening, it's for ceramic knives. Stage 3-completes the process with an extra-fine-grit, it's an necessary step to eliminate the burrs on the knife and polish it, razor-sharp edge. NOTE： Do not use on scissors or serrated knives.Do not pull knife back and forth. Knife should only be sharpened by running it through the slot from heel to its point. Clean the knife with the water or wipe and dry it after use. Do not put the sharpener into the dishwasher or water, please keep it dry and clean. into the dishwasher or water, please keep it dry and clean.
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