Jack Sparrow Costume Pirates Of The Caribbean vertebrae Accessory Charm. This is a replica of what Jack Sparrow has as a charm dangling from his belts around his waist. Jack sparrows has a vertebra bone with his wooden mermaid charm. This replica piece of will really add detail to your Jack sparrow costume. This little charm is perfect for completing your pirate look with a touch of authenticity and charm. Whether you're attending a themed event or simply looking to add a unique accessory to your Jack Sparrow wardrobe.