Using the "Launch" option while outside of structures or on top of buildings will call a Gnome glider to you and fly you to the glider on top of the Grand Tree. It will also give you 100 farming experience.
Using the "Squash" option will immediately teleport you on the bottom floor of the Grand Tree, next to King Narnode. Using this option will also deduct your Farming level by 5, so think wisely before using.
Can not be used in the Al Kharid Duel Arena. This includes any of the staging area, top of the viewing walls and duel arena bank.