I saw this video
Dancing Chair on
Frida Writes and thought of ken for dance, but also as an exercising medium to get people, who can, use their lower body and build up core muscle strength while freeing hands to hold and get things while moving around, say, one’s apartment. I can see lots of problems with it, right now, because I don’t think anyone could use it without a support person if things go awry, but the notion of hands free operation is very interesting.