I have seen how some people use the sun reflectors for cars as a bottom insulationI was wondering if if this would workWould the reflective part be good enough to help hold your body heat.
Try a self-inflating sleeping pad beneath your sleeping bag in the hammockApply one of those cheap emergency blankets with packaging tape if you want to try reflective heatI have never found those emergency foil blankets to be useful, but others like themStuff a few hot water bottles inside your sleeping bag for additional heatBuy a better down sleeping bag if you are not getting enough heat retentionAlso, there are various kinds of waterproof covers and bivies for sleeping bags that you may want to try.
Wrap tightly in Foil with Margarine or ButterPlace in 350% oven until tender Turn as needed so the butter cooks throughoutMerry Christmas Chill Factor is 9
I do mine in a dutch ovenA can of diced tomatoes, some stock or other liquid, and salt/pepperLet it cook low and slow for several hours.
cooks illustrated magazine has proven that low slow roasting is the best way to go250 degrees and no higheryou must sear it on high heat on top of the stove before you put it in the ovenAlso you must use the right type of roast for example I find cross rib roast is always tough no matter what.