Watch the Brush Up Your Hopkins online guitar lesson by David Hamburger from 30 Beginner Fingerstyle Blues Licks You MUST Know

Yes, you could be more precise with this lick and use one finger per string on the top two strings – middle and ring, or maybe index and middle. But it's the brushing up with one finger that gives the lick its particular feel, just because that's the way a guy like Lightnin' Hopkins would have done (and did do) it himself. Where you go with it is up to you; I'm just here to provide a little context.