How do I get thicker Biceps?

[MickeyKnox]

this is what im referring to..

[red_hulk]

this is what im referring to..

YouTube Link: http://www.youtube.com/watch?v=EKjsCOVVuCg&feature=related

I'm pretty sure they have a specific name but I'm drawing a blank and can't seem to find it. But I think it was something like cross-body hammer curls or something along those lines.

And you use a mirror for lifting to make sure your form is good or if there is something you need to correct. Gym aren't lined wall to wall with mirrors just you can check yourself out

[Far from massive]

this is what im referring to..

Did anyone notice how much "Docs" elbows were moving when he did his set?