A true ancient technology tool !
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A skill of making fire in a primitive way !
The fire piston uses the principle of the heating of the air by rapid and adiabatic compression to ignite a piece of tinder, which is then used to set light to kindling.
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So that we should have the following conditions to a successful experience of a fire piston:
A well-sealed fire piston, a perfect temperature to the ignition point, a good condition and right amount char cloth.