Ключевые слова: aggressive, army, blade, camping, combat, crime, cutting, dagger, danger, dangerous, defense, dull, edc, edge, equipment, everyday carry, folding, folding knife, grindstone, grit, handle, honing, hunting, industrial oil, iron, knife, military, object, oil, oiling, pocket, pocketknife, preparation, protection, sharp, sharpen, sharpening, stainless, steel, stone, tactical, tool, utility, violent, water stone, weapon, whetstone, working,