Here's a key you won't lose. In ancient Rome, heads of horses, as well as lions, panthers, and bears, were frequently used as key handles. Take a close look at this bronze key. The horse's head, mane swept back as if it's galloping in a race, emerges from a four-petal flower. 🗝 Rotary Key with Horse-Head Handle, 2nd century A.D., Roman. Getty Museum