the problem with this is that it only solves specific problems, like a nail or something.

I used to do this until I had a piece of metal off a truck rip a 3 inch hole in the sidewall of my tire. ended up having to wait forever for a tow truck. In my work van I carry two donuts instead of one full size. I like being able to blow a tires, repair it, and blow a second tire, and repair it.

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