- The small hole at the end of your pen may save your life. If you or your child, ever swallows a pen lid, the hole will stop you from suffocating and will allow you to breathe.
- The lines on your plastic cup are measuring marks for alcohol intake.
- The bobble on top of your beanie was not originally a fashion statement. The pom pom was created in the 18th century to ensure that sailors wouldn't hit their head on the low ceiling at the entrance of cabins.
- When jeans were invented, the little pockets were made for pocket watches, not money or tickets.
- The small ridges found on the F and J keys on a computer keyboard are to help users correctly position their left and right hands without having to look at the keyboard. They are also useful for blind individuals.
Pretty cool, right??
Image Sources:
This is the reason there is a hole at the end of a Bic pen lids! - Madam Magazine Kenya
What do the lines on Solo Cups mean?
The True Purpose Behind That Extra Little Pocket On Your Jeans