What is That Little Hole At The Bottom of a Padlock For

It’s common for people to forget what side of their car the gas tank is on. Luckily, car manufacturers have accounted for that, adding an indicator as a reminder. Typically, the indicator is triangular, found near your gas gauge, and points to the correct side.

A Logo Has 2 Roles

The Heinz 57 label is on numerous sauces ranging from ketchup to steak sauce, but it’s not only a decorative way to highlight the logo. Interestingly, it also serves as a reference point for knowing where to tap the bottle, ensuring the sauce flows easily.

Padlocks and the other things listed above are only a few examples of the many wonderful things invented and designed to make life easier and more convenient.