The metal corkscrew-shaped Goody Spin Pin, $5, looks like something you’d buy at a hardware store, but it’s actually the ultimate bobby pin. “This is the pin you want to use if you’re putting your hair in a bun,” says Jennifer J. Instead of cramming your head with a handful of bobby pins, you only need one or two Spin Pins. Just twist the pin into the area where you would place a bobby pin, and keep twisting it inward until it is entirely concealed in your hair. “I’m amazed at how tightly it holds my low, messy buns,” she says.