This is what the Second Chance Line Restraint looks like when not in use. Each end has a loop to tie off to. One eye is attached to the live end and the other eye is fastened to the super structure.
The final picture is an example of the expended and used Second Chance Line Restraint. At this point the device has deployed and restrained the lines, preventing the released line from possibly causing property damage, injury or death.
Here is a picture of the Second Chance Line Restraint in use. Both ends are tied off in the simple but effective way using the strap. If the operator were to boom up or out without slacking the lines, damage would occur to the crane creating a very unsafe situation. The Second Chance Line Restraint in this situation would react with an obvious warning and would contain the rigging.