Quote Originally Posted by offdtop View Post
I have heard of old timers putting a metal 5 gallon bucket with sand about 3 or 4 inches in the bottom and placing a camping light into it (the kind that takes white fuel), or you could try the rubbing alcohol heater in the bucket (you can look on youtube under emergency car heater)
I have heard of this with some smoldering coal on the sand. Kind of risky, but I bet it is warm.