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ive cleaned a strop with orange GOOP hand cleaner. it is non abrasive and lanolin enriched. it sucks out oil well. get it for a dollar at the dollar tree!

i would pick break cleaner above kitty litter, i wouldn't want a pasted kitty strop lol

I wouldn't try the cat litter idea, it would probably make the strop like fine sandpaper when you were done. Then we see a post "how to get rocks out of my strop!"