Watch the Little Curlies online guitar lesson by Shane Theriot from Rhythm Mojo
Here's a few ideas that use the hammer-on and pull-off technique to emulate the styles of Curtis Mayfield and Pops Staples. I once was in the studio with a singer who asked me to play some curly stuff on the track. That was my first introduction to this technique. Here are a few Hendrix/Curtis Mayfield ideas as well as a few more shapes you might not have seen.