Combined with the soft rubber fin-like ribs they work together to securely capture your device so there is no chance that is can slide out of its grip. There is also a rubber pad on the contact side of the Smartphone Cradle that your device bumps up against to protect from contact with the hard plastic.
The spring-loaded grips open by simply pressing a release button that allows the grips or wings to open to their 3-1/2" maximum width. Or press the release button for just a moment to open the grips partially. Once the grips are completely open, insert your device and squeeze the grips together with a clicking sound to secure your device permanently once and for all.
September 4, 2011-
Item arrived on time, works as advertised. An excellent purchase for the price. Charles B.
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