FlexGrip Action offers the most device coverage. Completely covering the back and sides of the iPod touch, it also extends to cover the bezel above and below the glass display. All of the buttons—Sleep/Wake, volume up/down, and Home—are covered but still click very easily. Precisely cut openings leave the front and rear cameras exposed, as well as the speaker, Dock Connector, and headphone port on the bottom. One downside to this…