This episode features a smart smoke detector, an elegant way to preserve wine, a leash that keeps your pet in step and air buds that zip but don't tangle. Also featured, a cool way to keep pajamas toasty, a car liner for hauling cargo and a way to keep baby bath water at the safest temperature. Plus, a mattress that inflates in juts a few breaths, giving tools the edge from kitchen to garden, power cords get a grip and garlic gets a better way to go from the bulb to the dish.