I flew business class, Id never flown on an aircraft that gives out hot towels. So I thought the air hostess was handing out a new towel, but she just wanted my old one returned. When you fly business and dont know the etiquette. Woman on a business class flight was approached by the flight attendant holding a tray of used hot towels, and the woman thought she was being offered some new ones and was about to get from the used ones, but the flight attendant was asking for the one that she had used back