@John15Kemo Perhaps some sort of fixed “track” to slide the base of the ear around on. Similar to a ball bearing. Then using the “bowden tube” method from the video to push the ear along the track for a broader movement like the one pictured.
hating snow because you “have to drive in it” proves that the car owner mindset destroys your innate connection to nature and shatters any sense of wonder you may have at the phenomenon of existence. owning a car depletes your soul