Watch the Lightnin's Mojo online guitar lesson by Corey Congilio from Rhythm Factory: Texas Blues
Let's get back to a traditional boogie groove here. I wanted to pay homage to Lightnin' Hopkins here. Lightnin' played many songs with this kind of groove but would always find ways to mix it up. Here's an example in E and notice the use of open strings here to add some flavor to the typical boogie style groove.