Containing the magnificently useful triumvirate of egg, lemon juice, and oil, mayonnaise is easily adaptable for a variety of uses for everything from hair conditioning to removing bumper stickers.
Here are 9 uses for mayo that will make your sandwiches insanely jealous.
Step 1: Polishing ivory piano keys
Just dab a little onto the dull key and leave it for five minutes or so. Then wipe off the mayo, and buff with a different cloth until the ivory shines.