Randy is correct. They are USGI Canteen Cup Stoves. I use to see them for $5 locally, but all that I see now are poorly constructed Chinese repro's.
They work well if you have enough small twigs to keep a hot fire under the cup. They weigh virtually nothing and give you the option of a "low vis" fire.
JYD #123 The great one formerly known as Architect.
I am now a fictional British television police officer (currently a Detective Sgt) at Thames Valley Station. My governor is Detective Inspector Fred Thursday and it’s 1969.
