Watch the Reb’s Dream Machine online guitar lesson by TrueFire from 50 Licks Greatest Hits Vol. 1
This is very much the same concept as the Pentatonic cross string lick but applied to the Diatonic scale. The mechanics will be much the same except you will be doing two hammer ons when ascending and two pull offs when descending. Again check out the criminally underrated Reb beach for more licks like this.