Anything with air in it can fail. It doesn't have to be punctured. A rock can push the bottom up into a tight angle and stress a seam. If you use air, you're smart to use some kind of ensolite or something under it to protect it. Yeah, I know. One more thing to carry.

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“In a time of deceit telling the truth is a revolutionary act.”
― George Orwell

It's not over when you lose. It's over when you quit.