We've made it. A working grappling hook gun, plus ascension winch. But where do we test it???

MuGu Stainless Steel Batman Grapple Hook Multi-Function Carabiner

Make It Real: Batman Grappling Hook Gun

office supplies grappling hook gun tutorial

Is it possible to create a lightweight wrist-mounted grappling

World's Fastest Grappling Hook Winch! (HACKLORIAN: Chapter 6

YUNWEI Gravity Grappling Hook Stainless Steel Grappling Hook

We've made it. A working grappling hook gun, plus ascension winch

Metal 3D-printed Grappling Hook from The Mandalorian

Just how practical would an ascension/grapple gun like Batman's be