This is not so complicated! A very beautiful design! This tutorial gives an excellent description of how it's made and includes helpful photos.
"Basically, the metal chain is treated in exactly the same way as a chain stitch foundation,..."
Designed By: Gossamer Tangles
Skill Level: Easy
Materials: Jewelry chain of your choice, crochet thread, beads, crochet hook to match thread and to fit inside of chain links.