R&W Rope manufactures long-lasting pre-spliced rope solutions to save you the time and effort of tying your own. Many of our products even include built-in chafe guards, adding an added layer of protection and extending the life of your rope. Dock Lines comes under the pre-spliced rope products. They may secure the boat when rafting, and Dock Lines comes in a double braid or three-strand nylon polyester. So choose a product of your own choice.