In the classic game Pin the Tail on the Donkey, players use a push pin to attach the tail to the donkey. On a metal or plastic toy donkey, however, a push pin would be unable to hold the tail in place, especially if it needs to move in some way. A better choice for this application is a solid metal dowel pin.

Automakers and component suppliers can save time and money by repurposing existing leak testing equipment for EV applications.