My mother-in-law couldn’t stop laughing when she realized I had no clue what that tiny hole in a nail clipper is for. Now I’m wondering… am I the only one who never knew this?

The Purpose of the Small Round Hole
Nail Filing (Built-in Nail File)
The small round hole is often designed to function as a nail file .
After trimming your nails, you can use the hole to smooth out rough edges or shape your nails further. Simply insert the tip of your nail into the hole and gently move it back and forth to file it down.
Ventilation for Hygiene
The hole allows for air circulation , which helps prevent moisture buildup in the nail clipper.
This reduces the risk of bacterial growth or rust, especially if the clipper comes into contact with water or nail debris.
Removing Stubborn Nail Clippings
Sometimes, small nail clippings can get stuck between the blades of the clipper.
The hole provides a way to clear out debris by inserting a thin object (like a pin or paperclip) to dislodge any trapped fragments.

Hanging or Storage
In some cases, the hole is included as a convenience feature for storage or portability.

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