The Xiaomi Jiuxun Tools Ninety Outdoor Folding Knife multifunctional knife can perform 7 functions of various devices at once: a regular and serrated knife, a flashlight, a hammer, a flint, a cork key and a cutter. The knife is made of durable stainless steel, so it is not subject to corrosion. There is a special carrying clip, with which you can place the multitool in any convenient place and take it with you.