The Secret Life of Padlocks and Everyday Items Have you ever thought about the little things that keep our lives safe and organized? One of the most common yet fascinating items is the padlock! You see them everywhere—on bikes, in outdoor sheds, on toolboxes, and even on gates. These small metal locks might look simple, but they have a big job: protecting our belongings from thieves and the weather. And guess what? They have a secret feature that many people don’t know about—a tiny hole at the bottom that serves