This Paracord Survival Grenade ($70) actually looks like a grenade. It also has everything you need in case you need to survive in the wild. It’s made from fifty feet of 550 paracord and includes a host of gear. These include: a double trip wire (8′ total), double water purification (4x), a p38 can opener, 2x butterfly sutures, , 1 compressed towel (expands with water), dog tag signal mirror, 2x bobby pins, and 1 universal handcuff key. Waterproof matches reduced to from 8x to 6x but include two storm proof matches.