Originally Posted by DGrav
I found another use for this trick a few weeks ago when we got an 8 week old puppy. The first few nights we put a Nalgene with hot water in a sock in the pups crate at night. Between the warmth of the Nalgene and the ticking of a clock we stuck in the sock, he slept through the night like he was still with his mom.
This is a wonderful trick and works splendidly. I have used it several times for those nights when you just can't get warm for whatever reason. Placed right against the Femoral Artery and you can feel the warmth through your body almost immediately.