To make your windshield wipers last longer, when you think you can't use them much more, try running the edges with a knife or the striking side of a matchbook cover over the blade. This will expose softer rubber. My husband said this won't work in all regions, since wipers may have dry rot in some places.
By Terri H.
You can also use a piece of sandpaper and run it over your windshield wiper blades to give them a little longer life.
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