In survival situations fire is used to stay warm, provide comfort, signal and stave off wildlife. A disposable lighter is a must-have for any backcounty adventure.
Fire is especially important for cold weather survival for melting snow, cooking and staying warm. Its important to carry multiple options for starting a fire, experts recommend starting simple with an inexpensive flint lighter. Even when the fuel runs out the flint striker can be used to ignite other fuel.