Keeping Out Excess Moisture from your Sleeping Bag
On camping trips, you will soon learn that moisture builds in sleeping bags thanks to sweat and friction.

Keeping Out Excess Moisture From Your Sleeping Bag
You should put a long piece of foil beneath you while you sleep to prevent wet sleeping bags.
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Roller Pan Liners
Paint rollers can be such a pain to clean. This is why disposable plastic liners are common nowadays.

Roller Pan Liners
You can just use tin foil instead! It is a great way to save both your time and money.