9V battery and steel wool :) by alennzg on DeviantArt
How to Make a Fire Wire (Easy Steel Wool Fireworks) « NightHawkInLight :: WonderHowTo
Sparky-Mini. A Compact FireStarter. – Spiffy Lab, LLC
The Steel Wool & 9 Volt Battery Firestarter
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Roommate told me that if you put a 9V battery on steel wool it will instantly burn. Proceeded to science. Was not displeased with results. - GIFs - Imgur
MacGyver-Level Pyro | RECOIL OFFGRID
How to Light a Fire With a Battery and Steel Wool - Easy Outdoors Camping Tips - YouTube