Regarding reflectors:

I was out trapping cats in a wetland area, and came across someone's campsite (probably homeless). It looked like a canvas tarp that had been formed into a pup-tent-type shelter with one open end, with a fireplace in front of the opening. Instead of the regular flat log reflector, they had made a V-shaped reflector of branches coated with mud (each leg of the V about three feet long, or almost). The fireplace was in the V, the opening aimed at the opening in the tent.

I had never seen this kind of reflector design, but gave them full marks for creativity, and I suspect that it might act as a pretty good windbreak, too.

Sue