Everyone needs a cheese tube.

That's the unexpected lesson Valerie Schremp Hahn994 Archives a features reporter for the St. Louis Post-Dispatch, learned on Tuesday after she posted a photo of a brilliant cheese hack her 9-year-old daughter concocted.

Hahn's daughter took an old lip balm tube and filled it with cheese so that she could have a quick snack during the school's standardized testing schedule. Overnight, it became a viral internet sensation. 

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"She tried making a popsicle type of thing by putting sugar and lemon juice and water in a lip balm tube, but I think that didn’t work out," Hahn said. "This is her first lip balm tube cheese attempt."

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Apparently, Hahn's daughter got the idea from a crafty DIY YouTube channel TroomTroom, proving that DIY channels aren't all filled with bad ideas like underwear for your phone or a hot glue gun slipper.

Honestly, it's a pretty genius idea, but some people thought they could improve the model.

But overall, people were mostly in awe.

As for the type of cheese? It's a sharp cheddar from Aldi. So if you need an invisible snack on a budget, this solution may be for you. Just make sure you don't get caught!