Batman grappling hook developed by BYU students

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

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

Batman-inspired wall-scaling system built by engineering students

Building This Incredible Grappling Hook Is the First Step to Becoming Batman

8 'Batman: Arkham' Gadgets That Exist In The Real World

Scale Fortress walls like Batman on the TalkWorthy Radio Show!

Quick Grappling Hook Build

Batman Equipped by BYU

Batman The Dark Knight Grappling Hook

Grappling hook

How Realistic Are the Gadgets in Mission: Impossible?

Engineering Students At BYU Create Batman Grappling Hook Gun - SlashGear