Safety pins seem simple, but they actually have a clever design detail most people completely overlook — the tiny hole at the end of the pin’s coil. It’s not just decorative… it has a real purpose!
So, What Is That Little Hole For?
The small hole near the coil isn’t random. It plays an important role in how the safety pin works and lasts over time.
- Improves Flexibility: The hole helps the metal coil flex properly when opening and closing the pin, reducing stress on the metal.
- Prevents Breakage: By allowing controlled movement in the coil, the pin is less likely to snap after repeated use.
- Helps During Manufacturing: The hole can be used to secure or guide the wire during the production process, ensuring the coil is shaped correctly.
- Extra Utility Hack: Some people use the hole to attach thread, string, or a tiny charm — turning a simple pin into a temporary zipper pull or fastener.
It’s a small design detail, but it makes a big difference in durability and function.
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