Try this "reverse sweat technique I use.
During the summer I cover my shamans' lodge (a triangle construct 6 X 6 x 6', 6' high, just fits one person, of course) with thick tarp and get into it when the afternoon sun is the hottest. I bring in my medicinals, power objects and a gallon jug of frozen water.
The tarp has only a few small peep holes for circulation and it'll hit over 120 deg. in there right away so the ice and water is a real rush and keeps me from overheating <<< a serious precaution.
This way, when I haven't time for a lot of preparation, I don't need a fire and rocks and get basically the same kinda affect. In about then minutes I am drenched and walk out totally cleansed.
Really nice flick of the lodge, Raven. Can I get in? Very inclusive write-up, also. My thanx. t