I mean, have you ever seen anyone successfully loose leash walk their dog using a retractable leash? I observed a man yesterday at our local pet food center trying to control his medium sized dog while another customer was walking their very petite pups. Guess what he was using? A retractable leash, that malfunctioned, the dog was able to get far enough away from the owner that he lost control and the dog went right after those little puppies. Luckily, the dog just wanted to say hello, and those two little pooches knew exactly how to take care of themselves! This scenario could have turned out pretty bad.
The clicker is a very effective training tool, that when conditioned with a reward like food, a treat or a toy signals to your puppy that he has done something right.  The clicking sound becomes synonymous with the reward/treat once training has begun. However, your puppy has to be taught that the clicker means something and clicking alone is not reinforcing anything.
Dog leashes are used to walk the dog in public places. Having the dog wear a leash is a way of protecting the dog and other persons (e.g., if the dog runs away and bites someone). Also, the length is one of the important aspects of the leash. The length of the leash must be chosen according to the size of the dog and it is important because it allows a good control. Leashes should not be either too long or too short. Too long leashes do not provide good control of the pet which can result in unpleasant accidents with more aggressive dogs whereas too short leashes are uncomfortable for both the dog and the owner. The perfect leash can restrain the dog but at the same time is not viewed as a punishment for the pet.[9]
Keep moving on a walk instead of stopping and chatting with others. While you and the other person are smiling and looking at each other, your dogs may be sending signals to one another that they are uncomfortable. Keep moving and stay focused on your dog’s body language. If your dog stiffens, growls, starts randomly sniffing or scratching, or you can see his hackles (among other warning signs that your dog is getting uncomfortable), do a U-turn and put something visual between you and the trigger upsetting your dog.
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