This is the best thing since sliced bread! I am disabled, now using an elbow crutch, and could not control my new puppy when walking. My last dog was 16 when he died but he was perfect and never needed a lead. However my family bought me a pup, (forgetting that I have major physical problems now,)and she is very strong. I did try the Gentle Leader but she could remove that no problem and it does not link to collar, so when it's off so is the dog! Now with the Halti, which has a joining clip to the collar, I can walk her at my pace and NO PULLING!!! Fabulous. Once again I can get out of the house and ENJOY some quality walks. TIP: You should still continue to use voice commands and train your dog while using this or the dog will never learn the art of correct walking.This is just an aid to this goal.