Otherwise, just buy cheaper gaiters as sort of sacrificial footwear. OR's Flex-Tex Low gaiter ($33) is a pretty versatile, low-cut gaiter that is made of a pretty tough blend of Lycra, nylon, and Cordura, so should last a season or more. OR's venerable Crocodile ($55) might be another good choice they're tough enough to withstand crampons, so probably can take some ski bashing.
Beyond that, I smell a marketing opportunity. Get yourself some Kevlar fabric, rip apart a pair of ready-made gaiters to see what the pattern looks like, and go to work! Or, figure out a way to laminate a chunk of Kevlar to the scuff-prone part of the boot.
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