How does it prevent from rotating at the cigarette lighter plug, and total collapse of the mount and phone along with it?

How strong is the mechanism? What kind of material does the mechanism use? Depending on use, the cigarette lighter socket maybe wider and less tight than one in a car that rarely uses that socket, I am a bit concerned with the reliability of the mount's ability to anchor itself without rotating.

Belkin Car Charge and Navigation Mount with Lightning Connector

Belkin Car Charge and Navigation Mount with Lightning Connector

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