A four to six pound blanket.....really? For six pounds these days , you can get a fully enclosed tent and a separate bag that will give you comfortable, if not luxurious, shelter that will be good down to zero degrees or thereabouts.
I have been around long enough to appreciate the advantages that some new technologies give to the outdoors enthusiast. There are times and situations where "the old ways are best," but they are fairly rare and unusual.
Does Canterbury still use hemp rope for climbing, along with alpenstocks and candle lanterns?
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Geezer in Chief