System of side skirt for car of multi-car vehicle and side skirt support

The invention relates to a system of a side skirt for a car of a multi-car vehicle and a side skirt support, the side skirt being suitable to cover a space below the underframe of the car from a side, the side skirt having a coupler side edge that forms a side of the side skirt, the coupler side edge being suitable to be arranged next to a coupler head of the car, wherein the side skirt support is suitable to attach the side skirt to the underframe of the car, the side skirt support has a bar that has a first joint, the joint is suitable to be attached to the underframe to allow the bar to rotate relative to the underframe, the bar is attached to a part of the side skirt by way of a second joint that allows the part of the side skirt to rotate relative to the bar, the side skirt support has a rotation controller that limits the rotation that the part of the side skirt, which is attached to the bar, can perform relative to the bar, such that the part that is attached to the bar can rotate into an end position,