Watch the Diamond Blues 8 online guitar lesson by Carl Verheyen from S.W.A.T. Blues
While maintaining the ornamentation of the blues style, I like to stretch the format a bit. I start with lines that are obviously from the blues catalog of tried-and-true lines. But by the time I reach the IV chord I use lines with wider intervals and even an open string jump from the 13th position down to the 1st.