In 1849, Walter Hunt twisted a piece of wire while thinking about debt: The tinkering helped create the modern safety pin

Walter Hunt patented the safety pin in 1849. His design improved on earlier pins by adding a spring and catch. This made the ...
Reader's Digest

Here’s What the Hole in a Safety Pin Is Really For

You'll never look at a humble safety pin the same way again “These things are so great and have so many uses in so many areas that I don’t even have to market them. Customers just find me,” says Larry ...