Ключевые слова: accessory, appurtenance, background, bottleopener, butterfly knife, canopener, fan knife, file, folded, folding mechanism, hand tool, hardened, instrument, isolation, knife, mechanism, metal, multifunctional, multitool, pliers, pocket knife, pocket tool, reamer, resist wear, ruler, screwdriver, set, steel, survival tool, swiss army knife, swisstool, tip, tool, unit,