Anyone use neurofeedback?

Hey guys,
My 10 year old daughter has been dealing with trich for about 1.5 yr. We have tried everything. Counciling, bandaids on her fingers, every "fidget" toy you can imagine, dolls/stuffed animals to mimic pulling HER hair, trich related books, a habit aware bracelet.......Nothing has stuck. She will stop for a week, then it's right back to pulling. She doesn't pull the hair on her scalp, only her eyebrows and eyelashes. I have read a little bit about biofeedback and asked her counciler what she thought. She didn't know much about it either but referred me to a specialist that participates in NEUROfeedback. They haven't treated anyone with trich before but my daughter also experiences anxiety and has a very difficult time dealing with change etc.
My question is: Has anyone ever used neurofeedback for the treatment of trich? If so, what are your thoughts?
Thank you so much for any help!
Angela