In the list of priorities regarding starting a fire in a survival situation, using a mirror is not your first choice, but it is very effective when used properly.

It also is a relative fail-safe if the sun is shining and you have used up all your other methods.

This video uses a vanity mirror, because it is curved and thus easier to focus the Sun's rays, but you can use flat mirrors, like an emergency signal mirror just as effectively if you position it correctly.

Do you have any tips for using a mirror to start a fire?

Let us know below.