r spent 2020 building a Batman-style grappling hook

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BATMAN 12IN ADVENTURES

DC Comics, Batman Adventures, Batman Action Figure with 16 Armor Accessories, 17 Points of Articulation, 12-inch

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Engineer builds 'Batman-quality' grappling gun in only one year

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Bat-fan Builds Ultimate Real-life Batman Grappling Gun

Contest: Where Could The Dark Knight Go Next?