An energy-dispersing article comprises: first and second material sheets, a first set of U-shaped rods attached at both ends to the first sheet, and a second set of U-shaped rods attached at both ends to the second sheet. The computer program product may be tangibly embodied on a computer-readable medium and include executable code that, when executed, is configured to cause at least one data processing apparatus to execute the metawizard. A housing is provided and a selector lever, which can be brought into at least two end positions, in which control unit the operating device of the emergency release mechanism is an integral part of the control unit, and in which the operating device has a detachable stop element. For this structure, an FDI scheme comprising several detector units is created.