This maker built a working Batman grappling gun in only a year - The Verge
Grappling Gun, Item, Dungeons & Dragons 5e, Statblocks & Sheets
Steampunk grappling gun - ZBrushCentral
Grapple Hook Launcher
Ant On Peas: Greener harpoon gun as Grappling hook launcher : r/H3VR
Inventor creates a Spider-Man inspired grappling hook
Batman 1989 Grapnel Gun Prop Replica Arkham Origins Grapple Hook Launcher Gift
Helix Operations – Tactical – Grapnel Launchers
Grappling Hook Launcher : 15 Steps (with Pictures) - Instructables
Grappling Hook for Can Cannon Launcher
Trying to find where to buy a real life grapple hook that actually shoots and : r/HelpMeFind
Grappling Hook Launcher : 15 Steps (with Pictures) - Instructables
What's the closest thing to Batman's grapple gun available in real life? - Quora