Troubleshooting Lunge Line Issues with a Retired Racehorse

Question
hello i have recently started working with sunny emblem.. war emblem's sister.
she got off of racing a couple of years ago and had been ridden lightly.. she hasnt been worked with in 6 months. i started free lunging her in a round pen and she is doing great but where i have a problem is on the lunge line.. she doesnt react to my cues.. i use clinton anderson downunder horsemenship and when i put any pressure on the line she runs through it and doesnt listen..
im stuckk on what to do..
thanks
alexandra  

Answer
I am not familiar with Clinton Anderson. I recommend having a professional train this horse. I cannot give advice on this since it is a very hands on situation and can't be solved in a short answer. I would have to see the horse to be able to help in this situation.

Christopher Crocker