Here is a little video which demonstrates how I believe Sol Hoopii played this tune, specifically on his earlier acoustic recordings in the A Major tuning.
One of the devices that Sol used most frequently is open strings–in this case, in bars 3 and 4 of the head, Sol utilizes a slide to G# on string 4, followed by open string 3 (A), for a nice bluesy lick. Have a look for yourself.