Today in iLounge Deals, you can pick up the U-Grip Cup Holder Car Mount for Phones and Tablets for only $12.99 — that’s 78% off the regular price. While you’ve probably seen car mounts for dashboards, windshields and air vents, this one is something different — it fits in your cup holder. U-Grip extends to fit all phones and tablets and a flexible neck and rotating 360-degree mount ensure that you can adjust it to just about any angle.…