Metal Water Bottle and Sleeping Bag Warmer

Here's a very quick but very useful tip for any camper to use. This tip is especially handy if you tend to get cold while sleeping at night when out camping. Metal Water Bottle and Sleeping Bag Warmer What you Need: Metal water bottle/s (Sigg bottle). Boiled water Sock/s Sleeping Bag Warmer Instructions: Before you go to bed, boil and purify your water if you are in the wild. Ca