The Grappling Hook mod for 1.8 adds several grappling hooks and accessories that let you quickly travel through your world. You can use it to swing around and reach high spots.
Download the Grappling Hook Mod for 1.8:
Grappling Hook Mod for 1.8
Forge for 1.8
Locate your Minecraft.jar file.
If you haven’t already installed Forge, drag the files from the forge zip file into Minecraft.jar.
Run Minecraft once
Drag the mod to the .minecraft/mods...