You don't need the guide to draw this later after u have done it many times, and it takes like 10sec to draw this fast after a while and you are suppose to draw it with "thin" pencil so u can easily draw over it or errese it. If you are drawing digital, just use it in a own layer so u can remove it when u need to.
You can find a better guide here www.proko.com/videos/ (videos), he also shows how to draw this in dif angles! Enjoy!
ACK FINALLY! i've been looking for the anatomy of a freaking head forever!! now i finally see how the funking taco buckets i can make a head... i'm a horrid human drawer so this is gonna help me quite a bit... I FREAKING LOVE YOU!!!