30 Cool Uses of Everyday Objects Most People Don’t Know About

Have you ever noticed the small hole at the bottom of a padlock and wondered about its purpose? Far from being a mere design quirk, this hole is strategically placed to act as a drain. It plays a crucial role in keeping the lock dry, preventing water accumulation that could rust the internal workings and cause malfunction. A tiny feature with a big impact, safeguarding the lock’s functionality.

The seemingly insignificant hole at the bottom of padlocks is, in fact, integral to their durability and performance. Serving as a critical element rather than an arbitrary addition, it ensures that the locks remain effective over time by preventing moisture buildup. This tiny feature is as critical to the lock’s longevity as any of its more noticeable parts.