" Frank tugged again with no luck. Even Hazel was trying not to laugh.
Frank grimaced with concentration. Suddenly, he disappeared. On the deck where he’d been standing, a green iguana crouched next to an empty set of Chinese handcuffs.
“Well done, Frank Zhang,” Leo said dryly, doing his impression of Chiron the centaur. “That is exactly how people beat Chinese handcuffs. They turn into iguanas. "
― Rick Riordan , The Mark of Athena (The Heroes of Olympus, #3)