He’s right. Keep all the parts. I stuff the crayfish in my pocket and pat a small survival kit that rides on my belt. It carries the basics: space blanket, small folding knife, flashlight and extra batteries, compass, 20 feet of parachute cord, EpiPen and Benadryl, water-purifying tablets, duct tape, lighter, magnesium-spark lighter, and three fire-starting cubes. “Let’s go,” I say.