So I don't know why the review is asking about cleanliness but this is a great sharpening stone. It has two sides for sharpening the blades. I now use it to sharpen all my knives, spears and swords so I can fight my enemies to a bloody death and find my brethren in Valhalla. I can also hunt a giant woolly mammoth or a saber-toothed cat. This stone will sharpen your weapons so much that your enemies will tremble in their boots and they will rue the day they ever set foot next to you and challenged you. May your knives and axes always be sharp. No, but it's actually a great stone for sharpening knives, axes, and the like. Be sure to buy honing oil.
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