"Do" means the way "Kan" means the ring - "The way of the Ring". Hand-crafted jewelry by Robert Vertel can be custom-made, designed and sized to your liking. Featuring pieces designed with Petoskey Stones (Michigan's state fossil), Leland Blue Stones and Chlorastrolite (Michigan's state gem), among other precious gems. Unique pieces reflective of Northern Michigan's natural wonders. Open year round (limited seasonal hours).