I have a big 22 inch metal paint guard that I use when painting baseboard. IT'S A LIFE SAVER! I just run some tape along the carpet that's next to the baseboard (to keep the fibers down) and then use the guard above the baseboard on the wall, to protect the wall while I paint along the baseboard. It saves me tons of time, because I don't have to tape off twice... just once on the carpet.
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