surprising uses for WD-40 you never thought about
Cleaning your Piano
Having a piano at home always makes your house look 43% classier. There’s just something beautiful and elegant about pianos that adds character to your home. But, just like the rest of your other non- classy items, it gets dusty and dirty real quick. Cleaning your piano and your piano keys specifically can be made a lot easier with WD-40.

You should spray some on the dusty keys, wait a few seconds and then wipe it away, you’re piano will look as good as new.