Looks like you got your moneys worth out of that Gator Skin. I carry around a cheap little patch kit that has an unopened 5 gram tube of vulcanizing cement. In that little box I also put in a razor blade, tooth pick, some alcohol wipes, and an unopened tube of Super Glue in-case the vulcanizing cement dries out. I gave up on the stick on patches long ago. Some people use them, but I have never been able to get mine to work.
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No matter where you're at... There you are... Δf:=f(1/2)-f(-1/2)