By A Mystery Man Writer
Grappling gun (Burtonverse), DC Movies Wiki
The Price of Being Batman: Then & Now : r/batman
Grapple Gun (The Dark Knight trilogy), Batman Wiki
Batman: The Video Game - Wikipedia
Batman, Injustice:Gods Among Us Wiki
Batman, Heroes Wiki
Grappling gun, Arrowverse Wiki
Batman Reveals The Origin of His Grapple Gun (& Its Connection to a Surprising Ally)
Spring-action reel, Batman Wiki
The Batman - Production & Contact Info
Batsuit (The Batman film), Batman Wiki
Batman (franchise) - Wikipedia