As the training progressed, the participants changed the way they used the device, which resulted in new finger coordination patterns. This was recorded in their hand movements as well as in their brains.https://gizmodo.com/like-a-part-of-their-body-people-adapt-to-an-extra-thu-1846926329
The only problem with the design is that you have to control it with your foot. Not ideal if you’re walking!
Not to worry. That’s the next step. Er, stage.