What are car hood pins for?

A set of hood pins on a white race car.

You may have seen these little metal discs with locks on the hood of a modified street car or race car. Honestly, they look a bit like nipples on the hood of a car, which is weird. But did you know those weird little metal discs and locks serve a purpose? They are called hood pins and this is why some street and race cars use them.

Bonnet pins add security to your car’s safety lock

A set of hood pins on a blue Nascar race car. | Rich Graessle/Icon Sportswire/Corbis/Icon Sportswire via Getty Images

Simply put, hood pins are usually installed on the hood of a car to prevent the hood from flying up and hitting the windshield if the main lock fails. We know, it’s such a simple part; but having hood pins on the hood of your car can mean the difference between a clean run on the track and a shattered windshield.