T-shirts, buttons, and bumper stickers just aren’t going to cut it for the high-stakes presidential election of 2012. Fortunately, manufacturers of everything from body lotion to boxer shorts are stepping up to the plate and cranking out a dizzying — and sometimes puzzling — array of political merchandise in both “red” and “blue” variations. Here are the most offbeat ways to show your support for your candidate — or your distaste for the enemy.