I've just come across these online. Does anyone have one? I would love to know how good they are. I can't help being a tiny bit nervous of the instruction "Just remove the lid, light the burner, wait for the indicator bar to turn red, pop it back in its protective warming bag"
Zippo Handwarmer
I need advice for a mutually messy situation



and the HotRox product was on there. It does look really good. I had never seen it before.