Attract fish. When sprayed on fishing bait, WD-40 covers up the scent of human hands on the bait to better lure fish, according to USA Today. The WD-40 Company receives hundreds of letters from consumers confirming this use, but prefers not to promote WD-40 as a fishing lure since the petroleum-based product could potentially pollute rivers and streams, damaging the ecosystem.
Cure Mange. While spraying a dog with WD-40 gets rid of parasitic mites, according to USA Today, the WD-40 Company, feeling that the potential misuse of the product is too great, refuses to condone using WD-40 to cure mange on animals.
Prevent squirrels from climbing into a birdhouse. Spray WD-40 on the metal pole or wires.
Remove a ring stuck on a finger. Several medical journals claim that WD-40 is the perfect cure for a toe stuck in the bathtub faucet, a finger stuck in soda bottle, or a ring stuck on a finger.
Remove chewing gum, crayon, tar, and Silly Putty from most surfaces. Spray on WD-40, wait, and wipe.
Clean decorative snow from windows. Spray windows with WD-40 before spraying with artificial snow so the decorative spray will wipe off easier.
Prevent dead insects from sticking to your car. Spray WD-40 on the hood and grill so you can wipe bugs off easily without damaging the finish.
Make hangers glide over a clothes rod. Spray WD-40 on the clothes rod so hangers can be pushed back and forth easily.
Clean clogged spray paint can nozzles. Remove the nozzles from the spray paint can and the WD-40 can, place the nozzle from the spray paint can on the WD-40 can, give it a couple of quick squirts, and replace both nozzles.
Remove oil spots from driveways. Spray with WD-40, wait, then blot. The mineral spirits and other petroleum distillates in WD 40 work as a curing agent.
Thread electrical wire through conduits. Spray WD-40 on the electrical wire to help it glide through winding conduits.
Prevent grass clippings from clogging up a lawn mower. Spray WD-40 on the underside of lawn mower housing and blade before cutting the grass.
Clean sap from gardening equipment. Spray with WD-40, wait, and wipe clean.
Prevent mud and clay build-up on bicycles. Spray the bicycle with a thin coat of WD-40.
Remove baked-on food from a cookie pan. Spray WD-40 on cookie pan and wipe clean. Then wash with soap and water.
Remove dirt and grime from barbecue grills. Remove the grill from the barbecue, spray with WD-40, wait, and wipe clean. Then wash with soap and water.
Remove chewing gum from the bottom of a shoe or sneaker. Spray on WD-40, wait, and pull the gum free.
Keep dogs, maggots, and flies out of trash cans. Coat the trash cans with a thin layer of WD-40.
Take squeaks out of new shoes. Spray WD-40 into the leather and shine.
Remove grease stains from linen. Spray WD-40 directly to the stain, rub it in, let is soak for a few minutes, then wash through a regular cycle.
Take squeaks out of a box spring mattress. Remove the fabric covering the bottom of the box spring mattress (by simply removing the staples), and spray the springs with WD-40. Staple the fabric covering back in place with a staple gun.
Polish wood furniture. Spray WD-40 on a cloth and wipe.
Clean crayon from a blackboard. Spray WD-40 on the crayon marks, let soak for 10 minutes, then blot clean with a cloth.
Free a tongue stuck to frozen metal in winter. Spray WD-40 on the metal around the tongue.