Hey,
I just found out that you can learn this glyph http://www.wowhead.com/item=42743/charred-glyph#can-be-placed-in on a level 20 mage.
Talk to an npc called "Maginor Dumas" (Or any other mage trainer) and you will learn a passive spell,
Here is a screenshot:
Have fun backpedaling!