Work together with your partner in this unique experience to create and decorate personalized promise rings, by using a hand-operated mechanical engraving machine called a rose engine. Using a 16th century technology, with a machine made in the early 20th century, you will design and decorate your own ring bands.
Sessions usually last about 4 hours, but can run longer depending on aptitude, and start at $800 per couple for sterling silver. Additional time needed will be billed at $160 per hour.
Further information available here.