Hang on! There's a Real-Life BATMAN Grappling Gun and It Works
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Hang on! There's a Real-Life BATMAN Grappling Gun and It Works Pretty Well - Nerdist
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Real working Grappling Gun
An update on my working 1989 Batman Grapnel Gun project, now with complete inner workings! C02 port assembly and spring-loaded clutch plate spool assembly have both been revised, the entire gun is
This maker built a working Batman grappling gun in only a year - The Verge
What's the closest thing to Batman's grapple gun available in real life? - Quora
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