Trident Case Standard Headrest Mount - Retail Packaging - Black Arkons Standard Headrest Mount for Kraken A.M.S. phone and tablet cases allows you to mount your mobile device to your cars headrest posts. Standard headrest mount for mobile devices. Stable and secure attachment to standard two-post headrests. 360 rotation for custom viewing positions. Includes adjustable hooks that are compatible with nearly all headrests. Compatible with Trident Case Kraken A.M.S. phone and tablet cases only. Securing Knobs Tighten The Uniquely Designed Hooks & Create A Secure Attachment To Standard 2-post Headrests Tightening Ring Loosens & Tightens To Allow For 360 Rotation For Custom Viewing Positions Tablet Adapter Allows For Mount Compatibility With Kraken A.m.s. Tablet Cases All Materials Are 100% Rohs Compliant Includes Installation Guide & Smartphone & Tablet Adapter