Twilight Saga: New Moon clip - all snuggied up and ready for battle.

First of all, why is Summit releasing a clip that apparently occurs at the end of the film? And second of all, what's with the outfit choices, Eddie? Because when your girlfriend is being wooed away by a charismatic, bare-chested muscle-bound Native American who can turn into a werewolf, nothing puts the fire back into your relationship like showing up in a snuggie.