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This is a cotton ball inside a straw to keep it dry.

Step 1: Melting the First End

You can put anything inside a star to keep it dry, but if it is a gelatin like substance keep both ends open until it is full. Put the straw on a pair of pliers with only about 0.9mm left sticking out. Then burn it with a lighter

Step 2: Filling Time!

If you are going to put a cotton ball inside, you should tear it into small pieces first, and then stuff it inside the straw with a skewer.

Step 3: Done

Now you have a waterproofed what ever!

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Bio: Hunting. Fishing. Survival.
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