This is how a classic pocket lighter works, according to Sunderland ... Before steel was widely produced, humans might have ...

a rare feature for lighters. The flint spring and the flint wheel create the spark for the flame. It's the movement of the two that generates the spark. Next is the wick. The wick zigzags through ...

Inside the lighter is wadding which ... (Petrol vapourises too quickly) A flint on the end of the stem was struck against the steel plate on the side until a spark would light the naphtha vapour.