Implementing these three essential elements of blues guitar playing will increase your understanding of the genre as well as improve your overall musicianship. A big part of this topic involves the subjective theme of "feel", which you'll come to find after honing in on your technique and vocabulary of the various blues guitar styles.
The combination of major and minor pentatonic scales is something every guitar player should understand.
If you're looking for that "outside" sound in your blues soloing, you need the altered scale in your life.
Learn the surprisingly useful fingerpicking technique that John Mayer leans on for some of his songs.
Imagine you could get in a time machine and round up a handful of the best living and dead blues guitar players ever... who would you choose?
These chords will make you feel luxurious.