Good post but what sort of clutch do they use. They nevertheless need a tool to disconnect the box from your engine. I had a Micra in the 90’s and it’s CVT had an electromagnetic clutch,which was described to me that it labored somewhat similar to a centrifugal clutch with https://gearbox-cvt54308.pointblog.net/5-simple-techniques-for-gearbox-cvt-75838498