The Gymygym chair combines the ergonomics of a Herman Miller with the benefit of 16 resistance band, core exercises. It’s supposed to help people get a decent workout while sitting at their office chair.
https://gizmodo.com/herman-miller-embody-review-the-best-chair-weve-ever-s-5071571
Come on, it looks a little bit like a torture chair, right? The chair will retail for $600 and comes in three different colors. Here’s how to work out with one of these chairs: