Some People Still Don’t Realize What This Tiny Hole on a Padlock Is For

Have you ever stopped to notice the tiny details in everyday objects? Surprisingly, these small, often overlooked features can hide clever purposes. Let’s explore a few examples.

The Padlock’s Little Secret
That tiny hole at the bottom of your padlock isn’t just decoration—it has an important job. While padlocks are built to protect our belongings, they aren’t immune to nature. Rust can slowly damage even the sturdiest locks, and the hole helps prevent that. Acting as a drainage point, it lets water escape, keeping corrosion at bay.

The hole isn’t just for water. When a padlock gets stiff or tricky to open, a quick squirt of lubricant through this small opening can restore smooth operation—like giving your lock a mini spa day.

Modern waterproof padlocks take things a step further. With advanced designs, they protect against the elements without needing a drainage hole.

Beyond Padlocks: Hidden Features in Everyday Items

• Screwdriver Hack: Your everyday screwdriver can double as a small wrench by sliding it into a compatible nut—perfect for hard-to-reach spots.
• Fabric Swatches: Those little pieces of fabric that come with clothing aren’t just for looks. They let you test detergents and washing methods safely, and can be useful for repairs.
• Brass Benefits: Brass isn’t only attractive—it’s naturally antimicrobial. Doorknobs and locks made from brass help reduce the spread of germs.
• Fuel Gauge Tip: Ever forget which side your fuel tank is on? Many cars include a tiny arrow on the fuel gauge pointing to the correct side.
• Heinz 57 Trick: The classic Heinz 57 label does more than identify the product—the number 57 marks the ideal spot to tap for a smooth pour.

These examples show how ordinary objects often have thoughtful design hidden in plain sight. Next time you notice a small feature, take a closer look—you might uncover something surprisingly clever.