Watch the Sus in Motion online guitar lesson by Rich Maloof from Guitar 201: Breakthroughs
Sus chords work in many settings and have a bunch of cool applications. Here we look at them as ornaments — little embellishments on your chords and rhythms. These small changes can add sparkle and shine to your playing. Note how the two types of suspensions (sus4 and sus2) can be used to surround the 3rd of the chord and add some motion.