At first glance, a hole in the top of a pen cap seems pointless. But did you know that this tiny detail could actually save lives? Many people never think twice about it, yet it’s one of the smartest safety designs hidden in everyday objects.
It’s a Life-Saving Feature
The main reason pen caps have holes is to reduce the risk of choking. If someone, especially a child, accidentally swallows a pen cap, the hole allows air to pass through. This provides a small passage for breathing until help can arrive, potentially saving a life. It’s a tiny feature, but it carries a huge impact.
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