>The shelter you learn to build at the Boreal institute can keep >you comfy at 40 below or worse with a 20 degree (-7 C) sleeping >bag (and a good fire). They call it a Supershelter.

This sounds fascinatng; can you tell us all how to do this?
The Sock
The world is in haste and nears its end Wulfstan II Archbishop of York 1014.