Grass jewelry

Trying to think of a way of growing grass/ plants out of jewelry was a bit of a problem. I could not wrap my head around the idea. So, i googled grass jewelry. I immediately found La Bague Gazon's website. It even had instructions on how to grow the grass with little men doing the work =)

It all starts with a pad of composte, you wet it until it swells, mix composte with seeds in pot, water, watch grass grow. I think this is how Chia pets work too?