Magic lasso

The magic lasso, also known as the Lasso of Truth, is a mystical item used by the DC Comics super-hero character Wonder Woman. Forged from the Girdle of Gaea, it forces anyone ensnared by it to speak the truth. This is one of Wonder Woman's greatest assets, particularly since she has spent so much time dealing with spies and saboteurs and other sorts who engaged in criminal exploits. The lasso is also said to be unbreakable.