I've read dozens, and I mean dozens, of lists telling me everything I need to have with me to survive. Usually there are no surprises. I know a flashlight, pocket knife, and water are musts, but every now and then I come across something that makes me say, "a-ha!" Here are thirteen of my favorites. Lightsticks. You can pick up one of these every time you wander into a Home Depot. They don't need batteries and can be hung around the neck with a string making it easier to spot everyone in your party when it gets dark. Wool socks...