The tiny hole in your nail clippers — and why small design details matter more than you think (see comments)

A simple tool with a clever mechanism

This small round hole is not accidental. It plays an essential role in the functioning of the nail clippers.

By reversing the metal lever and inserting it into the opening, this becomes the pivot point, the hinge that allows the lever to multiply its force. A light pressure from the thumb is all it takes for the blades to close cleanly and evenly, effortlessly cutting through a hard nail.

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