History of The Batman - Debut of the Day: Batman's Grappling Gun

Batman Vs. Superman: Dawn Of Justice (2016) - Batman Grapnel Gun Dart

How is it that Batman's grapple gun doesn't dislocate his shoulder? - Quora

TIL that in Batman's early comics, he used guns and killed criminals : r/todayilearned

Batman Reveals The Origin of His Grapple Gun (& Its Connection to a Surprising Ally)

Just how practical would an ascension/grapple gun like Batman's be in 'real world' applications? - Quora

History of The Batman - Debut of the Day: Batman's Grappling Gun first appeared in Tim Burton's “Batman” (1989) starring Michael Keaton. Many items in the Dark Knight's arsenal have originated outside

How would Batman's grapple gun work in real life? What engineering disciplines would building one require? - Quora

Grapple Gun, Batman Wiki

Did the Batman Movie Really Originate Batman's Grappling Hook Gun?