The Swiss Military Lithane suitcase, after four flights and a Disney cruise, still looks almost new without using a protective cover. (Hindustan Times) Airport baggage handling and I have never had the best relationship. Over the years, I have collected suitcases with scratched shells, chipped corners, stiff wheels and handles that suddenly developed a wobble after just a handful of flights. At this point, I almost expect checked luggage to come back looking a little worse for wear. It is one of the reasons I have never been particularly attached to a suitcase, no matter how impressive it looked on the day I bought it. So, for my recent holiday from Bhopal to Delhi, onward to Singapore for the Disney Adventure cruise and back home again, I decided not to baby my luggage. No protective cover. No wrapping it in plastic. I wanted to know how the Swiss Military Lithane would cope with the same treatment every checked suitcase goes through, from conveyor belts and baggage carts to airport trolleys, taxi boots and cruise terminal …