Scosche has introduced its new tapStick controller case for the third-generation iPod shuffle. Made from high-impact polycarbonate, the tapStick allows users to play, pause, adjust volume, skip tracks and navigate playlists using the shuffle’s VoiceOver feature, all from three integrated buttons on the case’s front. The tapStick connects to the shuffle via the headphone jack, and features a pass-through headphone port, allowing users to use…