Post History
It’s decently common to use a nalgene water bottle inside of a sleeping bag to help stay warm during the night. Before you go to bed you fill the water bottle with water warmed over a stove and p...
Answer
It’s decently common to use a nalgene water bottle inside of a sleeping bag to help stay warm during the night. Before you go to bed you fill the water bottle with water warmed over a stove and p...