Thumbtack: Why it's designed that wayThe surprising ergonomics of a simple office pin.

From the show

Why it looks like that

The humble thumbtack is a marvel of user-centered design. Its broad, flat head and sharp point are perfectly engineered to work with the force of a human thumb, allowing for easy and safe insertion into surfaces like corkboards. This clever design distributes pressure, preventing injury while securely holding up your items. It’s a perfect example of how everyday objects are thoughtfully crafted for our bodies.