Starting a fire with a bow drill - GIF

Starting a fire with a bow drill.

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Previously:

https://www.homemadetools.net/forum/...617#post205716
https://www.homemadetools.net/forum/...794#post167440
https://www.homemadetools.net/forum/...888#post202540
https://www.homemadetools.net/forum/...828#post194315
https://www.homemadetools.net/forum/...467#post189279

And it works just like that in real life, every time.

The material in the hole certainly had something to do with it. White gunpowder isn't very common but will light up as easily as that did.

White gunpowder ??? Simply potassium nitrate ?

White gunpowder is potassium nitrate and some other ingredients. I got caught using local slang.
Disclaimer: Don't make this.