Leather Dog Leashes and Collars! A dog doesn’t have much room to accessorize, so you’ve got to work with the limited space you have available on your pooch. Our collection of leather dog collars and leashes are a fun way to give your dog an original look. Puppy Kisses has the leather harnesses, leashes and collars for dogs you need to make your four legged companion look his or her best. And just because we sell designer leather dog collars doesn’t mean we skip out on more subdued styles! All of our collars and harnesses include convenient d-rings for attachment.