Have you ever wondered why you don’t see people wearing Rolls Royce’s hood ornaments dangling from a necklace? It’s because the Spirit of Ecstasy, as the hood ornament is obnoxiously called, is protected by a brilliantly over-engineered mechanism that causes it to retract and disappear if tampered with.
Source: Gizmodo – Watch What Happens When You Try to Steal a Rolls Royce’s Hood Ornament