hmm, thats a new one on me! does she do it when she is cross/frustrated, does she cry, it must be hurting her surely? personally with anything like this i would tend to go the ignore it route as i think as soon as they notice you dont want them to do something it suddenly seems to become much more fun! i remembered this with O in a cafe yesterday when he kept playing with the bin, he was only mildly intersted until i said no and stopped him then he thought wow, i think i’ll do this some more! lol, so maybe try and ignore it and its a phase and she’ll stop or if its too difficult to ignore what about trying to keep a hat on her for a while - will she wear hats? not sure other than that - sorry, good luck though!
Lucy x