Watch the Jimi Hendrix online guitar lesson by Jeff McErlain from Kings of Tone
One aspect of Jimi's playing that may take some practice is using the thumb to fret bass notes. He basically only did this for notes on the low E string but it is integral to his style both as a lead and rhythm player. By doing this you free up the rest of the fingers on your left hand to play the great Hendrix fills and double stops. To get into it, play a root on the 6th string major chord, let the barre go and bring your thumb over the top of the neck to fret the root on the E string. Let your thumb mute the 5th string as well, use your 1st finger to barre the top two strings. That's how Jimi would do it!