Removing Gum
Ugh, how annoying is it to see people spitting their gum on the sidewalk? It is simply the worst. Talk about a lack of manners. In any case, WD-40 will effectively help you remove it from the bottom of your shoe.
Taking Out Lipstick Stains
Lipstick can definitely help you improve your looks, though it will be an eyesore if you leave some on your clothes. Lightly spray on a bit of WD-40 if you wish to remove it. Be careful not to spray excessively, however.