BLACKBEARD'S REVENGE _ Tavern Puzzles Heavy Metal Disentanglement-Style Brain Teaser _ With BONUS Twisted Nail Puzzle _ Bundled Items Old fashioned heavy metal brain teaser disentanglement puzzles. BONUS Twisted Nails Puzzle. Objective of BLACKBEARD'S REVENGE is to remove the long narrow 5 inch "U-shaped shuttle" hanging towards the bottom of the puzzle. Replacing the shuttle to the starting position is equally as challenging. Rated as a level 2 "Intermediate / Challenging" (on a scale of 1 to 4). Packaged in sturdy white box, cloth bag and with solution. Bonus: Separate the Twisted Nails Puzzle.