Great answers! Keep 'em coming!
This is a chance for you to think about how you would actually use your PSK.
No cell phones, PLB or simple outs. Everyone here has picked their PSK items with care. How are you going use these items to stay warm and dry so you do not get hypothermia?
The different uses for a Space Blanket are great! I just wonder how it would really work when it is windy. I have played with mine when it is windy and it is a real pain to control it. They tend to tear very easily. Also what and how can your attach it so it will make a heat reflector or wind break? Duct tape on the corners will allow you to tie cord to it and the cord to something. I'm not sure a Space Blanket can break the wind without tearing? I'm talking the thin kind, not the HD Space Blanket.
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Thermo-regulate, hydrate and communicate.