CMC Derby Helo StrapThe Derby Helo Strap extrication device attaches to the helicopter hoist hook for short hauling or hoisting. The system allows the rescuer to position themself behind the subject to enable a swift capture around the chest area. Two cinch straps with handles adjust to quickly secure the subject into the strap. Originally developed by a southern California fire department for flood channel rescue, the strap can be used for helicopter hoist pick off