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.

ELMONT, N.Y. - Sailor's Cap, upset winner of Sunday's Grade 3 Poker Stakes here, died suddenly Wednesday morning in his Belmont Park stall, his connections said. According to a press release put ...