So you probably know to bring your passport and your travel insurance details, but what about the little things that make a big difference? We’ve gathered a number of unusual suitcase essentials, for when you’re travelling abroad, which might just make your journey a whole lot easier. Extension Cord There’s nothing worse than getting to your hotel room, after a long flight, to find that there aren’t enough plug sockets to go around. An extension cord is particularly useful if you have…