You Need These 5 'Credit Card' Gadgets in Survival Situations
Leave it to CrazyRussianHacker's Taras Kulakov to have a list of survival gadgets that can fit in a wallet. These "life-saving" devices range from a paper-thin magnifying glass to start fires to a multipurpose sheet of cutouts. It's pretty interesting to see how many items fit on a sheet of metal only a few centimeters thick. Kulakov suggests keeping these items in your wallet just in case you find yourself in an emergency situation with your wallet in good condition.
Via Taras Kul