McDonald's: The French Fry Box Flap Has A Hidden Function

updated on 03/21/2022 7:46 a.m.

On his Twitter account a fast food fan reveals a useful life hack regarding the McDonald's French fry box flap, as there it has a hidden function

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Have you ever wondered what the flap on the side of the French fry box is for? According to the Twitter account @todayyearsoldig, it's to separate ketchup and mayonnaise from the fries.

And it makes sense, of course. After all, we're far too often annoyed when we don't have a separate tray in the car, for example, where we can squeeze the ketchup or mayo packet into for dip our fries.

And if we put the ketchup directly on the fries, the top part is usually very soaked with it, while the bottom part has no ketchup left.

Find out what the Twitter community thinks about this hack on the next page...