 A samurai sword also not allowed in a carry-on. Neither was this machete stopped in New York. And in Miami, that's a bag of snakes a passenger hid in their pants. Far more common than snakes on a plane, particularly here in Los Angeles this time of year. Big containers of sunscreen. It's got to go in your checked bag. But the most common prohibited item, a bottle of water. Chris Van Cleave, CBS News, Burbank Airport.