Join Date: Apr 2006
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Dunno about brands, but there are kevlar/aramid "ribbon" tire liners that you can put in between your tire and the tube. They're sold as a loop, sized to fit specific tire sizes, in the belief that if you can't puncture that outer ribbon--you can't puncture the tube on the other side of it.
Not expensive, not heavy, web shops like BikeNashbar carry them.