A pencil sharpener might not seem like something you should keep in your survival kit, but it's actually quite useful. The paper-thin shavings that you can make catch fire easily and make great tinder.
Chewing Gum and a battery can be used Fire Starter - Use the foil-backed wrapper to short circuit an AA battery and create a flame. First, tear the wrapper into an hourglass shape and touch the foil to the positive and negative battery terminals. The electrical current will briefly cause the paper wrapper to ignite. Use the flame to light a candle or tinder.