It's a size that fits your finger perfectly, so it can be made and brought back on the day, so it's also highly recommended for people who came to Kanazawa for sightseeing.
It also comes with a service that takes photos of the work you are working on and presents it, making it a reminder.
The work time is also completed in about 20 minutes of one ring.
A discount ticket for the 21st Century Museum of Contemporary Art is also presented on foot.