Griffin Technology has introduced its new “Freak Show” cases for the fourth-generation iPod touch. Released in anticipation of Halloween, the new line of silicone cases features push-through coverage for the volume and sleep/wake buttons, open access to all other ports, controls, and cameras, and a large modled monster on the back—either Frankenstein, a mummy, a vampiress, or a werewolf. Griffin’s new line of “Freak…