The BlackRapid Wrist Strap combines BlackRapid's patented ConnectR (CR-2) hook with a comfortable and secure wrist strap.Wrist strap is designed as add-on for BlackRapid's R-Strap systems; it hooks naturally to any camera with an existing BlackRapid FastenR (sold separately). The strong wrist strap is smooth for comfort, and has an integrated corrosion-resistant anodized ConnectR hook. The carabineer style hook has a twist lock on the gate, for added security.Now you can move through a crowd with your camera safely at your wrist.