*Why Pen Caps Have Holes: A Clever Design You Might Overlook** Pen caps aren’t just there to protect the tip—they’re carefully designed with tiny holes for important reasons. **Safety First:** The hole helps prevent choking by allowing air to pass through if the cap is accidentally swallowed. **Better Ink Flow:** It helps equalize pressure inside the pen, preventing leaks and keeping the ink flowing smoothly. **Cheaper Manufacturing:** The hole reduces material use and speeds up production, saving costs when making millions of caps. **Stylish Design:** Some brands use the hole as a design feature to make their pens more recognizable. Next time you see a pen cap, you’ll know—it’s not just a random hole, but smart, thoughtful engineering
