The compact mirror has a good mount with suction cup that holds bombproof on the disc. It is advantageous if the suction surface moistened slightly before it stalls. The mirror helps me reliable in overcoming the blind spot, the passenger side forms at my car. Despite Umblickens to critical situations have repeatedly occurred because there is unreasonable fellows repeatedly overtaking quickly right on the highway. This risk I wanted to put an end to. Although you have to train a little to capture the relationship between the three levels (interior, exterior and extra mirrors) quickly and safely, but now I see the matter more calmly in the eye. The purchase is a good investment for the little money. Half a point deduction is available for the slight edge distortion (the mirror reduced, but not completely homogeneous), but I would buy it to me at any time. Most accidents on the highway caused mW by changing lanes. And comes in handy in the future me this little helper. The blind spot is now completely eliminated uncompromising.