First you enable it from your ninja bag located at the bottom left corner of your screen. Click on the grappling hook. When you need it, press the space bar and point your mouse in the direction you want it to go.
go out of spooky house then go high on a tree than click on it it will take you to the jersy devils nest
no
You take the grapple hook in the attic of the house and grapple up the tree.
use the grapple hook that you have on your ship.
use ur grapple hook
click on every surface that you think the grappling hook can hook onto. eventually you will get to the top.
grapple like grapple-hook
use your grapple bow
u click on the thing you need to grapple
go to the jersey devil place and take motor bike and use the grappling hook to get the evidence in the nest on the tree.
"That man grappled on to that cliff and he was about to fall off."
Use the grappling hook that you found in the house by the raccoon and hook up to the branch.
You use it on the tree next to the Jersey Devils house.