Watch the Cowboy Chords online guitar lesson by TrueFire from Rock Guitar Greatest Hits Vol. 3

Cowboy Chords is a video guitar lesson presented by Angus Clark and is sourced from Essentials: Rock Rhythm Unplugged

Lessons in this breakdown:

Right Hand - do not accent the up-strokes.
Left Hand - shoot for "zero time" between the chords. Mute any unused low strings.
Transition to the B section - watch out for your feel (speeding up or slowing down) when you transition from the A section to the B section and back again.