14+ Everyday Objects

Many everyday objects contain unusual design features that most people notice but rarely question. What may seem like random details often have practical purposes hidden in their design.

For example, pen caps commonly include a small hole to reduce choking risks, while soda can tabs can help hold a straw in place. Cars also feature a fuel gauge arrow that indicates the side of the vehicle where the gas tank is located.

Some familiar designs were created to solve problems from the past. Wide paper margins helped protect writing from rodents, and the long necks on glass bottles encouraged people to hold drinks without warming the contents.

Kitchen tools also contain clever features. Holes in pot handles can support cooking spoons, and the center opening in many pasta ladles helps measure a standard serving of spaghetti.

Clothing includes hidden functions as well. The tiny fifth pocket on jeans was originally intended for pocket watches, while spare fabric patches are meant for testing detergents and cleaning products before washing the garment.

Other examples include wooden hangers made from pest-repelling cedar, padlock drain holes that release water, expandable ketchup cups, and Chinese takeout containers that unfold into plates.

These small details show how thoughtful design often solves practical problems in ways most people never realize. Once you learn their purposes, ordinary objects can suddenly seem far more interesting and ingenious than they first appear.