Amzer Non-Slip Weighted Beanbag Dash Mount for HTC Thunderbolt ADR6400 - Frustration-Free Packaging - Black Deluxe non-skid friction dashboard bean bag mount from Amzer! Unique heavy-duty bean bag mount is ideal for keeping your device safe and secure in place. The base of the mount has heavyweight, non-slip, anti-skid surface as well it has U-shaped design. Includes an optional adhesive safety hook that attaches to a loop on the bean bag mount. Dash mount is a simple and effective way to mount many devices.