The seat belt device includes a first unit, a second unit, seat belt webbing, a spindle, a first pretensioner, a second pretensioner, and a controller. CNT generates silicon carbide after the reaction with contiguous or proximal silicon nitride and the like depending on the sintering duration at high temperature. More particularly, higher tension is provided in the areas of the garment where greater gasketing pressure is required, while lower tension is provided in areas where greater comfort is desired and high gasketing pressure is not needed. The bottom wall of the frame supports the lower edge of the dock plate during moving and the angled sidewalls allow the dock plate to be stored on the dolly while the dock plate is leaned against a wall for storage. An association in the data drawn between the selector specification and at least one of the data files. The rotated matrix may reduce the quantity of information communicated in the explicit feedback information.