What is a "safety pin"?

A safety pin is a type of pin that has a spring-loaded mechanism that allows the sharp end of the pin to be safely secured and covered when not in use. It is typically made of metal and has a looped end that can be used to thread fabric or other materials. Safety pins come in various sizes and can be used for a variety of purposes, such as securing clothing or fabric together temporarily, attaching tags or labels, or even as a makeshift zipper pull. They are an essential tool for sewers, crafters, and anyone in need of a quick and easy fastening solution. Safety pins can also be used for medical purposes, such as closing wounds or securing bandages in place.