Soulmates where something just introduced, into the magic world a special kind of magic could make a permanent bracelet engraved with your soulmates initials. Not everyone seemed to care, especially people like Tom riddle. Another thing about the bracelets was it was designed to fit your soulmate. His much to his dismay was a pinkish colour with a tiny bow engraved next to the mystery girls initials. He covered it up the best he could, all the time.