This airline carry-on strategy may be the smartest travel hack the internet has seen

It's a genius way to get around airlines' checked-bag fees

When it seems like airline passengers are being charged more and more while getting less and less, it's no wonder frequent fliers are getting creative about packing strategies. 

A TikTok with 17 million views shows a genius way to pack more without paying more - call it the "pillow hack."

User Nolimitua packs her pillowcase with folded clothes because "'pillow flies free."

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The 11-second video has racked up more than 7,000 comments. One person asked, "Anyone checked that this actually works?" to which the creator responded that it's worked seven times so far.

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The creator has not yet responded to Fox News' request for comment.

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