Would Batman's grapple gun work in real life? - Quora
Grappling Gun > Technology > Batman, @prithvi_c
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Batman
Robert Pattinson's THE BATMAN Comes to Life with New Figure - Nerdist
Real Comic Book Inventions
Would Batman's grapple gun work in real life? - Quora
Would Batman's grapple gun work in real life? - Quora