Everyday things with hidden features we didn’t know the purpose of

[post_page_title]Gas cans[/post_page_title]

That second hole in our gas cans is so small, it’s hard to imagine what it could be used for. To put it simply, it prevents the “glug” that happens when air is being sucked into the hole as liquid is pouring out of it.

Gas cans

When that happens, you get an uneven flow of liquid that often ends up all over the ground. It can also help vent the gas and keep the can from exploding in between uses.

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