As ridiculous as the concept and pricing may initially sound, Ten One Design's SoundClip ($8) actually serves a useful purpose: it channels and physically protects the bottom speaker output from the iPhone 3G, enabling users to hear sounds and music even when they're cupping or otherwise holding the iPhone in a speaker-obstructing manner. Made from black glossy plastic, SoundClip wedges into the Dock Connector port in a manner that's not easy to accidentally…