u/USMCnerd

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Is there a permanent marker out there with a tip that is either wear resistant or invincible when used frequently on abrasive surfaces?

I work in a flooring store and its a common occurrence to have to mark the backing of a carpet which as im sure we're all aware is the most abrasive thing on earth right after that relative your thinking of now. Add on to that coworkers that lack fine motor control and what you get is a sharpie tip that cant last a week well before the marker even starts to consider the possibility of the likelihood that maybe one day it might think about running out of ink.

Any help even if I have to make a homemade one would be greatly appreciated.