A curved edge may improve comfort.
A textured surface may improve grip.
A foldable part may make the tool easier to carry.
Consumers often see the finished product without thinking about the decisions that went into designing it.
Nail clippers are a good example.
The tool is small enough to fit in your palm, but its components work together in a carefully engineered system.
Why People Rarely Ask About It
The nail clipper is an object most people use without thinking.
Unlike a smartphone or car, it does not require instructions.
You pick it up.
Place the cutting edges around the nail.
Press the lever.
Done.
Because the basic operation is so familiar, users rarely examine the construction.
That is why a small opening can go unnoticed for years.
Someone may use nail clippers dozens or hundreds of times without ever wondering why a hole exists.
Then one day, they notice it.
