Massage chairs can be found in large home electronics stores, public baths and games halls.
When I was a child, after the shower, I liked to sit on the massage chair and drink milk.
The massage chair has made great progress.
Use the sensor to accurately grasp the position of the shoulder.
In addition to the massage ball, we also use the airbag to comfortably massage the entire body.
Recently, the stretching function has been added.
It will heal the minds and bodies of modern people who are tired of IT.

（Wikipedia: Massage Chair）