Estimated reading time: 5 minutesA fire piston is one of those survival tools that seems almost magical. It ignites tinder using only the heat generated by rapid air compression. No batteries, no flint, no sparks. Just a piston, a cylinder, and physics.Not only is a fire piston incredibly useful in off-grid or emergency situations, it’s also fairly easy to make with some basic materials and tools. Recently, I came across a great DIY example on the YouTube channel, jonthewoodworker. You can watch it below, but I also included written instructions.Want to save this post for later? Click Here to Pin…

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