Rub it over your hands to act as an invisible glove to keep paint or dirt off of your hands while you work.
Coat the hinge of a squeaky door, no dripping or running oil.
Coat the threads of glue tubes to keep the caps from getting stuck in place.
Rub on your table to remove white water rings or blush marks caused by a too-hot serving dish.
Coat threads of an outdoor light bulb to keep it from rusting and becoming hard to remove.
Apply it to the panes of your windows before painting the trim, better than masking tape in many ways.
Coat battery terminals to keep them from corroding.
Coat water pipes that are screwed together to get a better seal.
Nuts and bolts come apart easier when the threads have been coated.
Keep a trailer hitch from rusting, coat and then cover with a slit tennis ball
Put a dab in a plastic bag and fill with small hardware items. Shake it to coat parts and help prevent rust.
Coat vacuum cleaner hose parts before connecting them so they will come layer.
Keep hands from chapping in cold, wet weather outdoors.
Put some on your dog's feet to keep them in good condition.
Protect chrome in storage.
One tiny birthday candle will stay lit for hours when stuck into a jar of petroleum jelly. Keep this set-up on hand for emergencies.
Put a layer around the inside rim of a paint can before closing the lid. It will come right off when your open the next time and it will still be fresh.