You mean like the ones used in 1701D Enterprise ?
But I suspect you mean the rubber bumpers on the butt end sometimes known as "Limb savers"
Fukkit. I'll pee on any tree.
Are we talking only of mono state dynamics or will the applications be more liberal?
If you mean physically challenged pool players, that might be all of 'em. I think the best start on the stroke handicapped would be from the mechanical end. Specifically, an articulated shooting device that can move a cue segment like a real stroke. It would have mechanical linearity so gyros and hocus pocus wouldn't be necessary.Think special need populations.
Has anyone ever seen a cue stick with an inertial dampeners?