decades because they work, cost little to produce, and are familiar to manufacturers and consumers.
As nail clipper designs evolved, certain features became standard across many models. A small hole may therefore remain part of a familiar design even when its original manufacturing purpose is less important in a newer version.
Why Doesn’t Every Nail Clipper Have the Same Hole?
If you compare several nail clippers, you’ll quickly notice that they are not all designed the same way.
Some have a clearly visible round opening. Others have a different shape,
