Uploaded September 2015 | Updated September 2026, 2 hours ago
Hikers and hunters often use these disposable hand warmers. They work by oxidizing iron, so you are essentially left with rust when they stop heating. It would not be unheard of to get lost with one or two of these in your pack. After they stop producing heat, the contents can still be used with cotton or plant fibers to roll an ember for a fire. Drivewayprimitive.blogspot.com
Hikers and hunters often use these disposable hand warmers. They work by oxidizing iron, so you are essentially left with rust when they stop heating. It would not be unheard of to get lost with one or two of these in your pack. After they stop producing heat, the contents can still be used with cotton or plant fibers to roll an ember for a fire. Drivewayprimitive.blogspot.com
