This support is convenient as well adaptable and can be attached to the hand breaks like the driver's window, however, the system keeps the phone is not perfect. Indeed the slider on the maintenance side too much pressure and forces the volume key at the bottom of the phone, with the device, this famous strip forces the phone lock and thus requires to type the PIN. Of course no shell passes, only the bare phone can go.
In short we should not need it every day under penalty dabîmer the phone over time.