Left Bumber as a 3rd skill bar

[Hoekage]

then you can hit your Button combo like LB+RB To get to the hotbar that has a copy of them on it to use.

http://s13.postimg.org/f5wc4rvgn/Cross_bar_2.png

I was wondering, how do you work that out? Hotbars and then the Crosshotbar at the same time?

Is it confusing? I play as Controller but I want to have some Hotbars for Macros and whatnot but its a pain with a controller.