Most people use nail cliper without giving much thought to their design, but that tiny round hole on one of the handles actually serves a practical purpose. While it may look decorative, it was created with functionality in mind. This small detail helps turn a simple grooming tool into something much more convenient for everyday use.

This simple feature also reflects the thoughtful history of clipper design. Early clippers from the late 19th century included the hole so people could carry grooming tools with them long before modern bathrooms became standard. Today, the design remains because it works—proving that even small details can add meaningful convenience to everyday life.

This makes it especially useful for travel, gym bags, or busy households where small items often go missing. Beyond keychains, the hole can offer several bonus uses. Some people hook the clipper on a bathroom organizer for quick access. Others find that slipping a finger through the hole provides a steadier grip, especially when trimming hard-to-reach nails. You can even attach multiple clippers to one ring to keep fingernail and toenail tools together.