First, a Quick Look at Nail Clipper Design
Standard nail clippers are deceptively simple tools, but they’re cleverly engineered for both function and convenience. The lever, the curved blade, the file—and yes, that little round hole—are all part of a cohesive system designed for precision, portability, and ease of use.
That hole isn’t decorative. It’s a deliberate feature with multiple practical applications, depending on how you choose to use your clipper.
1. Attaching to a Keychain (The Most Common Use)
The primary purpose of that small hole is straightforward: portability.
You can:
Attach your nail clipper to a keychain for instant access
Hook it onto a backpack, purse, or gym bag
Keep it readily available for quick grooming fixes while traveling or commuting
This is especially useful if you like to keep a clipper handy for emergencies—like a snagged nail before a meeting or a quick trim while camping.