How to loot non grounded bodies in World of Warcraft?
Sometimes you can fall from the cliffs above and loot the body while falling. It's tricky, but sometimes works. You will likely need to slow down your fall and enable autoloot.
I'm not entirely sure if this still works. It's been a while since I had to try. Usually, though, it's probably not worth the effort.
Engineers can use the Loot-A-Rang