I always have my students learn the basic stitch on a large 2mm rattail or with curling ribbon. I encourage them to use 8 different colors so they can see just how random the Kumihimo is:
But one of my students wanted to mix the two. The curling ribbon is what created the nice ridges in this piece:
This bracelet was made by a student who called herself "The Bling Queen." We're still working on the wire wrapped clasp here. I love how sparkly the metallic beads are!