A short demonstration of the essential skill of fire-making. Practice is everything. Info about my fire starting tool of choice is here
The hard flint edge shaves off a particle of the steel that, heated by the friction, reacts with with the oxygen in the atmosphere and will ignite your fire.
Striking sparks with flint and steel is not a particularly easy or convenient method to start a fire. But I wear a flint around my neck every day - comforted by its potential. Firesteel is one of the most reliable and trustworthy tools in my survival arsenal. In a long term crisis, fire becomes essential for cooking, sterilization, defense, and communication. A flint will start hundreds of fires, long after the supply of butane in your emergency kit is exhausted.