I've found an another way to make her change directions: rapid blinking, like really fast, it could take a while but after she switches once you can do it faster and faster.
Basically it says that when our brain faces two contradictory images it just chooses one. I am naturally right brained (as in left handed, actually started out writing backwards and always had my cards open backwards) but generally see it spinning CCW which is set with being left brained.