Training a puppy to walk on a leash is essential for both the safety and wellbeing of your furry friend. It's also important for the safety of those around you, as it helps to ensure that your pup doesn't run away, or worse, attack another dog or person. 

Step-by-Step Training 

Step 1: Start Slow. The key to successful leash training for puppies is to start slowly. Introduce your pup to the collar and leash and let them get used to wearing them. Let them explore the area and get comfortable with the new sensation.

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Step 2: Practice Indoors. Before you take your pup outside, practice leash training indoors. Allow them to get used to walking with the collar and leash on in a safe, enclosed space.

Step 3: Introduce Your Pup to New Environments. Once your pup is comfortable with the collar and leash indoors, it's time to take them outside. Start with an enclosed area, such as a fenced-in yard or dog park. 

Step 4: Begin Leash Training. Once your pup is comfortable in their new environment, you can begin leash training. Start by standing still and allowing your pup to move around. Make sure to keep the leash loose, and only give a slight tug if your pup gets too far away.

Step 5: Reward Good Behavior. When your pup is successfully walking on the leash, reward them with a treat or a word of praise. This will let them know that they are doing a good job and will encourage them to continue.

Step 6: Increase the Length of the Leash. As your pup gets more comfortable walking on the leash, you can gradually increase the length of the leash. This will give your pup more freedom to explore while still keeping them close and safe.

Step 7: Practice in Different Environments. Once your pup has mastered leash walking in an enclosed area, it’s time to take them out into the real world.