Other items include a mobile smoking shelter hat (confused? me too, check out this link), wearable sleeping bag, a weather forecasting umbrella, a vending machine camouflage you can actually wear, and a Wi-Fi network detector t-shirt.
To view the complete list of items, click over and read Vagabondish’s Top 20 Useless Travel Gadgets piece.
And oh! to learn more about personalized airline seat covers, check out this video: