One of the simplest dog training tools available to outdoorsmen, the Check Cord Dog Training Rope from RedHead keeps trainers in control while developing a new bird dog. This 1/2-thick synthetic rope serves as an early guide to bird dogs in training, giving them freedom to move while still allowing trainers to stay in control. Briar-resistant rope will not tangle or bind and features UV protection for longer life. Brass clasp. Great for in-field or at-home training of retrievers, flushing and pointing dogs, wide-running field trial bird dogs, or dogs for upland game hunting. Thickness: Length: 30. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Check Cords.