knife sharpening with grindstone

knife sharpening sharpening hand tool sharpener grindstone razor blade knife whetstone sharpen cutting handle chopping work tool professional maintenance stone preparation kitchen utensil kitchenware grinder instrument iron steel utensil knife edge object kitchen counter snakestone cut hand metal millstone equipment unsharped whetting tool butcher stainless steel blade kitchen waterstone closeup close up grind sharp dull blunt food classic