The second is that one can easily remove the phone has a hand out of his car. Pressing the button at the bottom right of the holder and jaws is gradually loosened to release the phone. Note that the setting up of the phone is just as trivial has a hand, we put the phone with one hand and then we tighten the jaws until the phone is maintained.
Finally, after implementation of the support and having set the desired angle using the adjustment mollettes, the phone is safe, no risk of losing the support of a speed bump or a pothole.