The signet ring is traditionally worn on the little finger of a gentleman's left hand, a practice still common especially in the United Kingdom, Australia, and European cultures. A signet ring is considered part of the regalia of many European monarchies, and also of the Pope, with the ring always worn on the left little finger. In modern times the location of the signet ring has relaxed, with examples worn on various different digits, although little fingers still tend to be the most usual. The Iron Ring is a symbolic ring worn by most Canadian engineers. The Ring is a symbol of both pride and humility for the engineering profession, and is always worn on the little finger of the dominant hand. In the United States, the Engineer's Ring is a stainless steel ring worn on the fifth digit of the working hand by engineers who belong to the Order of the Engineer and have accepted the Obligation of an Engineer. Utility The little finger is often used as a support when smartphone users type one-handed. The little finger is positioned underneath the phone, allowing it to be propped with the three middle fingers, and the user to type with their thumb. Some users reported dents on their little finger and pain in the hand after prolonged use in this way, doctors referred to this as "iPhone pinky" or "smartphone pinky". The skin indentations were reported to be nothing of alarm, as they disappeared on their own after a short while without cell phone use. See also Fifth metacarpal bone, the bone in the hand proximal to the little finger Pinky ring, a ring worn on the little finger Red string of fate, a Japanese belief that soulmates are bound by a string attached to the little finger References Fingers Human anatomy