What’s the Purpose of That Tiny Hole in a Safety Pin?

Final Thought

Next time you use a safety pin, take a second look at that tiny hole. It may be small, but it plays a big role in keeping the pin secure, your clothes intact, and your fingers safe.

If you’d like, I can:

• Turn this into a short viral post
• Add historical facts about the invention of safety pins
• Write a kid-friendly science explanation