Retractable Grappling Hook Launcher : 6 Steps - Instructables

Office Supplies Grappling Gun : 6 Steps (with Pictures) - Instructables

Make a Grappling Hook : 4 Steps (with Pictures) - Instructables

Office Supplies Grappling Gun : 6 Steps (with Pictures) - Instructables

Office Supplies Grappling Gun : 6 Steps (with Pictures) - Instructables

Retractable Grappling Hook Launcher : 6 Steps - Instructables

Grappling hook ideas. DIY or off the shelf

Always wanted a working Batman (1989) grapnel gun prop. So I designed one, completely with CO2 powered hook launcher! Does it actually work? Guess we'll find out soon enough! : r/geek

How To Make A Grappling Hook Launcher That's Less Good Than Batman's, Mark 1

Retractable Grappling Hook Launcher : 6 Steps - Instructables

Grappling Hook Launcher : 15 Steps (with Pictures) - Instructables