While trying to find a very simple setup for animating a "roll-on" I came up with this. Just using expressions for the ball rotation, a surface controller (pus noise) for its position and a simple spherical displacement with distance attenuation linked to it for the skin deformation. All there is to animate manually is the position of the roll-on. Everything else incl. the swaying of the grip ("look at" controller pointing at dummy with "spring constraint") happens automatically

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