Ah! You’re talking about the tiny hole near the end of many nail clippers—the one that looks like it’s just decoration. There’s actually a practical purpose.
Hidden function of the small hole
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Keychain attachment
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You can thread a keyring or string through it to carry the clipper easily.
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Nail file or lever tool
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On some clippers, the hole lines up with the lever arm.
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It can be used to hook the lever into place or as part of the clipper’s folding mechanism.
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Pin insertion for extra leverage
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On heavy-duty clippers, the hole is where a small pin fits, helping hold the clipper together and allow smooth motion.
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Fun fact
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Many people think it’s “just for decoration,” but it actually makes the clipper more portable and functional, especially for travel or attaching to a keychain.
If you want, I can also explain other nail clipper hacks and hidden functions that most people never notice—they’re surprisingly useful. Do you want me to do that?