Pen Cap Holes
Pen Cap Holes are lifesavers. Yes! It is designed for people who love to chew or put the pen cap on their mouths. So why is it a lifesaver? The holes are placed for safety purposes. The hole is designed to allow the passage of air if someone accidentally swallows it and it blocks their windpipe. Even pen caps have holes. Don’t ever dare to swallow it.
Pen Cap Holes
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iPhone Camera Hole
The iPhone has a hole next to its rear camera lens. Yes, you probably wondered or saw it once but that hole is a microphone. It’s easy to miss because it’s so small but this hole makes your sound clearer and produces better recording. iPhone User? Check your phone if you have one and test it right away
iPhone Camera Hole
