I thinked about Gyroscopes, but it's far to expensive and difficult for big objects... (I have a Powerball and I love it
)
I got to some conclusions but they require the use of cover and isostatic structures...
The problem of counterbalance your body with weights in Feet is that I don't think they would be able to support the momentum generated if your body is inclined or supported only by one toe...
Anyone knows well the working existing methods for vacuum and they working conditions? I heard something about soft silicon vent for specially difficult surfaces.
(Aaarg, all this stuff is very difficult to explain without drawings...)