Like nearly all of Sailor Moon's other sacred objects, items, and galactic weapons, the Disguise Pen has a pink and bejeweled aesthetic theme.Similar to clever makeup styles in the 1980s and 1990s ...

As an everyday function, that hole in the pen cap equalizes pressure so that uncapping and capping the pen isn’t a struggle. Its other function is to save lives. According to Iconic Designs: 50 ...

“Most people including me like to bite the pen cap,” another admitted. Content creator Zack D. posts “A Collection of Things That I Find Interesting” and explained why pen caps have a hole.

You’ve probably never given the tiny hole in the cap of your ballpoint pen much thought – but it turns out, it’s there for a very serious reason.

Canevet gave more details about what pen makers might do to various models of ballpoint pens in response to this norm: The cap might have a single hole, or several holes placed at the top of the ...