What is a lightweight nylon strap device used to attach chemical lights to most rescue devices or hooks?

The lightweight nylon strap device designed specifically to attach chemical lights to rescue devices or hooks is referred to as a Chemical Light Strap. This strap is engineered to be durable and effective in maintaining the secure placement of chemical lights during rescue operations, ensuring that visibility is enhanced in low-light or dark conditions. The design is intentional, as it allows rescue personnel to easily attach and detach the lights as needed, contributing to their safety and effectiveness in emergencies.

Other options like the Rescue Hook, Nylon Lifeline, and Illumination Parachute do not serve the same purpose as they are focused on different aspects of rescue operations. The Rescue Hook is primarily for retrieving victims; the Nylon Lifeline is used for safety tethering, and the Illumination Parachute is not a standard tool in rescue operations related to chemical lights. Thus, the Chemical Light Strap is the distinct and correct choice for the attachment of chemical lights in rescue scenarios.