Kev often when this situation occurs a filly can be rank.
Its why I didn't condemn as harshly as others. I watched the replay and it looked to me as if he tried to tap on the brakes and she wouldnt brake. When that happens you have two choices. You can either fight em to death to wrangle em back and lose, or you can let have their head and hope they chill out if they make the lead or relax a bit after a while.
Edgar didn't look comfortable with what was going on.