Watch the Sliding in Safely online guitar lesson by Joe Dalton from 50 Acoustic Blues Licks You MUST Know
The signature lick has a distinctive slide. The repetition of the lick makes it sound like the melody of the song. Notice that the same melody works over the E and the A chords. It is harder to play over the 5 chord but well worth the practice time investment. This chorus ends with another cool turnaround.