YUFENG 5 in 1 Outdoor Survival Gear Escape Paracord Bracelet Flint / Whistle / Compass / Scraper A survival bracelet with survival whistle design on the buckle. Flint / Fire Starter: It can start fires, in order to survive for boiling water, cooking game, etc. Scraper can be used as a knife. Compass: Accurately provide directional assistance. Whistle: Used for signalling help.