Extra Measures For Extra Mischievous Kids

The hole on the pen caps has left the best of us perplexed since time immemorial. Most of us have ventured guesses about the purpose of the opening, but with no substantial success. At last, it is no longer a mystery.

The minuscule aperture is there to be a safety measure for the kids. It ensures that if a kid swallows the cap and gets stuck in his throat, the gap will allow easy passage for the oxygen to circulate. This will allow them to breathe easy until the cap has had safe removal from the throat.