Also quite impressed, would also work quite well as a flare. a Tenner for three is fair. With my firelighting skills I wonder if they,d give me a discount for bulk buy!
Shelf life is going to be the issue. Needs to be water/leak proof storage, but not too hard to unwrap.
If my hands get cold now I lose all feeling and circulation, Doc says its Reynards. I could just about get a stick into the ring to pull it but serious wrapping would be a problem even using teeth (while I still have them...)
In the meantime I think I'll make some of those DIY never fail matches with a balloon around them.