The following product warnings have allegedly been seen in real life. Which means that someone, somewhere, probably did something that warranted the inclusion of said warning. And Darwin is probably laughing his head off.
“Caution: The contents of this bottle should not be fed to fish.” — On a bottle of dog shampoo.
“For external use only!” — On a curling iron.
“Warning: This product can burn eyes.” — On a curling iron.
“Do not use in shower.” — On a hair dryer.
“Do not use while sleeping.” — On a hair dryer.
“Do not use while sleeping or unconscious.” — On a hand-held massaging device.
“Do not place this product into any electronic equipment.” — On the case of a chocolate CD in a gift basket.
“Recycled flush-water is unsafe for drinking.” — On a toilet at a public sports facility in Ann Arbor, Michigan.
“This product not intended for use as a dental drill.” — On an electric rotary tool.
“Do not drive with sunshield in place.” — On a cardboard sunshield that keeps the sun off the dashboard.
“Caution: This is not a safety protective device.” — On a plastic toy helmet used as a container for popcorn.
“Not intended for highway use.” — On a 13-inch wheel on a wheelbarrow.
“This product is not to be used in bathrooms.” — On a Holmes bathroom heater.
“May irritate eyes.” — On a can of self-defense pepper spray.
“Eating rocks may lead to broken teeth.” — On a novelty rock garden set called “Popcorn Rock.”
“Warning: May contain small parts.” — On a frisbee.
“Do not use orally.” — On a toilet bowl cleaning brush.
“Please keep out of children.” — On a butcher knife.