The Vangard self-retractable line is personal protective equipment, only one person should be used at a time.
During the user's move[1]ments, the cable is inserted and unwound in the internal pulley system. In the event of a fall, the system blocks the unwinding of the cable and instantly interrupts the started fall, the arrest will be less than 71cm.
The anchor hook features a visual impact indicator to easily identify if the equipment should be removed from use.