These "flexible" rings by German designer Nane Adam feature a stretchy nylon interior that is not only visually striking but also allows for variable sizing. The nylon webbing was inspired by the bridges of Spanish architect Santiago Calatrava.
Journal Rings by Tom Ferrero (showcasing bits of the landscape in resin, engraved with the source coordinates). highlighted image: New Zealand Journal Ring, Silver, resin, lichen from Mt. Aoraki These are incredible! What an idea!