Aside from the satisfying parkour, one of the things I'm really excited about playing Dying Light is having to use the grappling hook. It's this thing you can use to throw at some ledges or roofs so you

The grappling hook, aka "kaginawa" was one of six primary tools carried by the shinobi. The Shoninki, written in 1681 adduces this. ▶️ DTube ▶️ IPFS

The method of using a grappling hook to hide in the water is recorded in the Shinobi-Hiden of Hattori Hanzo www.shadowzone.net ▶️ DTube ▶️ IPFS