http://www.info.apple.com/images/kbase/302417/302417_1.mov
This procedure does not offer a true solution, nor is a true revolution, with time and despite the appropriate tissue and the use of a bit of alcohol, the ball will remain irreversibly stacked.
From our experience, you will have to crack-open the base of your Mighty Mouse, in order to get access to the rotating ball mechanism to fully clean it. To date, this is the only procedure to maintain the mechanism fully operational, however, you will have to glue the case or tape it as once cracked opened, the mighty mouse is rather hard to re-assemble.
