The bracelet contains 5 kinds of emergency tools such as: flint fire starter(magnesium rod),fire scraper,whistle,scrapper,parachute cord,compass,you can always be prepared for all kinds of wilderness and outdoor adventures. Also the bracelet could be disassembled as rope for making traps, building tents and many other emergent situations. The built-in whistle is clear and loud to be heard from miles away.The scraper works as a fire starter, but could used as a knife as well. The add-on compass feature provides easy safety for navigation while travelling. Ideal accessory for camping, boating, hunting, hiking, and other outdoor activities.