The first time I used a GL on Dar, she was about 8 mo. old, and she acted as if I had ruined her life. I took it off, and tried everything I could think of to keep her from pulling me down the street. I had a recent knee injury, and it was killing me to try to hold her back, so what I did was put the GL on her while she still had her buckle collar on, gave her small treats for taking a few stepw wearing it, and within 5 minutes, she had forgotten that it was on her. Made walking her a LOT easier on me, and I usually used it when we would go to flea mkts or other crowded places that I wanted to have good control of her. After using a GL for about three mo. and going to obedience classes, she didn't need it anymore. I still carry it in my car, "just in case", but I've not had to use it for a long long time.