yeah, it's a bit getting used to. also depends on the position. but it gives an entirely new dimension to the experience. so that's interesting ;D
also, you can choose for a couple of levels of shakyness. totally free shakyness to extremely balanced and hardly any shakes on a waterbad. i've got the almost 100% free bed, because i like the extra movement.
I imagine you'd be having some slow soul music babymakin sex up on that thing-
No hardcore workout type love makin