A person pulling a trash bag out of a bin under the sink in kitchen - José Araújo/Getty Images Have you ever seen a video online explaining how the bumps on the bottom of your salt shaker make the ...

You might think there's no wrong way to use a garbage bag: open it up, tuck it in, and toss your trash. But, as it turns out, most people have (maybe?) been making a basic mistake this entire time.

Have you ever seen a video online explaining how the bumps on the bottom of your salt shaker make the salt flow faster? Or how you've been using your cheese grater all wrong by not putting it on its ...