Batman's Grapple designs. Mechanism built into the belt. (batmantb.com/2012)

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

Grapple Gun - The Dark Knight Rises Guide - IGN

CUSTOM BATMAN THE DARK KNIGHT MAGNETIC GRAPPLE GUN TACTICAL DATA PLATE TDK

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BATMAN-ONLINE

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

Unlock Your Inner Batman with the Best Grappling Hook Ideas

▷ batman grapple hook 3d models 【 STLFinder 】

Combat Belt Batman Animated Series Figure 1992 Kenner Complete Grappling Hook as for sale online

Batrope, DC Database

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Grapple Gun (The Dark Knight trilogy), Batman Wiki