As cool ways to get around go, grappling hooks are up there with skateboards and motorbikes. Unlike boards and bikes, however, the super-rad accidents grappling hooks cause won't have you lose significant patches of your skin. Not your own, anyway.
Creator JulioNIB released the Just Cause 2 Grappling hook mod over the weekend and yup, that name about says it all. Like the hook in Avalanche's open-world mischief simulator, the mod's hook lets folks latch onto things and give them a hearty pull - shooting to the top of buildings, latching onto passing cars, jerking people around, or... I'm sure you can come up with hijinks of your own - as well as pin two things together.
You can, if you want, attach a load of cars to a helicopter and marvel as the physics engine and AI try to solve a conundrum they never anticipated. Cops never expect grappling hooks. Have a look: