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Why Do Pen Caps Have Clip? [Solved]
The hole on top of the cap serves a simple yet ingenious purpose. They are meant to prevent suffocation in case they are swallowed. This was done because people have been chewing on pen caps ever since it was invented. It’s not just you and your friends.
Why do pen cap has a hole? | #Shorts #VykuClips
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Why Do Pen Caps Have Holes? | Pen Cap Hole | Pen | Ballpoint | WHY?
Why Do Pen Caps Have
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