Marine Grade Rope Dog Leash Nautical Dog Leash Handmade in Rhode Island Ocean Marine Rope Dog Leash The Foggy Dog Ivory Marine Rope Dog Leash The Foggy Dog Marine Grade Rope Dog Leash Nautical Dog Leash Handmade in Etsy. Walks just got a little more fun with our new climbing rope leashes. These are made of ultra strong nylon climbing rope and industrially sewn splices on both ends. The rope is soft and supple so that it's easy on your hands, while a brass O ring on the handle allows you to easily attach a waste bag or keys, or securely attach your dog to post. All hardware is solid marine grade brass and it's accented with hand whipped nylon cord and our signature wooden tag.