i started my dog in training to pull a bike, and built up muscle and strength up for 1 1/2 years to get her fit enough to pull comfortably. She really enjoys pulling and running, yet she is easily distracted by things behind her. I was wondering if a set of blinkers, like used in horses, would be beneficial to her? she already wears a headcollar like a muzzle around her face, so adjusting them would be no problem. does anyone have experience with blinkers, used in greyhound racing?