Knightfall Suit: Batarang Launcher And Wrist Mounted Grappling Hook

A wrist mounted line launcher that someone created for the batman franchise. (therpf.com, 2011)

What is the material used by Batman for the cable of his grappling gun? Is it a real material? - Quora

Would a grapple gun like the one Batman uses be useful to the military? - Quora

grappling gun 3D Models to Print - yeggi - page 2

Would a grapple gun like the one Batman uses be useful to the military? - Quora

Grappling Hook - Caution - Achtung - Not A life Safety Device – CountyComm

Would Batman's grapple gun work in real life? - Quora

Make a Mini Grapple Gun!

Is Azrael DC's version of Moon Knight? - Quora

Batman's 15 Deadliest Gadgets And Weapons

Batman: The Dark Knight Rises: Bat Grappling Hook Toy (Gold) : Clothing, Shoes & Jewelry