In case you need a second attachment point coming from your dorsal D-ring, a Miller 8 in. O-ring extension can help you stay safe and compliant. A simple loop around your D-ring gives you a second connection for your snap hook or carabiner. The Miller O-ring extension is made from a durable polyester webbing and steel O-ring. What's great is that it doesn't add any noticeable weight and is reasonably priced. Miller by Honeywell specializes at making high-quality fall protection equipment at reasonable prices.