When walking a dog, it is best to use a harness instead of a collar. A harness can be a little trickier to put on, especially if your dog is nervous. You can help him get used to the harness by offering treats, so he becomes familiar with wearing one. If you don’t know what to look for, consider talking to your vet about the best option for your dog. A good harness can distribute the force of the pull evenly across your dog’s body. A harness also has an advantage over a collar – it doesn’t encourage your dog…