When looking at a towel, you may have wondered a few things, such as, "Why do I have to wash my towel when I only use it when I've literally just been cleaned?" and, "Huh, what the hell are those lines for?" The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

The latter question has been discussed a lot earlier this year, after one X user posed it to the Internet. While some just used it as an opportunity to make wave-particle duality jokes, others were desperate for answers.

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Some suggested it was a "face/butt delineation line", or else "racing stripes" to "make them dry faster".

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