By A Mystery Man Writer
BladesUSA 5001 Ninja Grappling Hook, Targets & Accessories
All Things Modular - Jolt Grappling Hook System
Aim high with a grapple gun
All Things Modular - Jolt Grappling Hook System
Grapple Gun - The Dark Knight Rises Guide - IGN
Make It Real: Batman Grappling Hook Gun
Grapple Gun, Batman:The Animated Series Wiki
Grapple Gun - The Dark Knight Rises Guide - IGN
ArtStation - Grappling Gun