Every vehicle has a curved plate. The receiving area of Scheigenreinigers is hard plastic, and are under pressure to hardly. Also, the microfiber cloth (very small) is very thin. Result: Although it reaches the rearmost corners, because the handle is extensible, but the cleaning effect is limited to the edge areas, because the support surface does not reach the disc. And the cloth has a very low cleaning performance because it seeeeeeeeeeeehr thin .A real microfibre material has a fluffy surface, and can thus more moisture and dirt aufnehmen.Ein cloth change brought about a noticeable improvement.