Accessory wind deflector for a convertible automobile

The device has a vertical net (1) and a roller (2) that are arranged at rear of front seats (3). Two sub-assemblies (a, b) comprises bodies (4). A fixing unit e.g. hook, is provided on the bodies. A set of rods (5) is provided on a headrest (6). Another roller (7) is provided at a net (8). An articulated arm (9) is pivotable between a horizontal position and a vertical position with the former roller of the net or an attachment unit (10) at a front end of the net.