People have been asking what the inspiration was for my new book about accessories (called ‘The Accessory Handbook’, available today everywhere books are sold), and the truth is this: One moment in a restaurant with no place to put my fancy purse made me realize that the world was seriously lacking a definitive guide to wearing and caring for all those fashion accessories you own but aren’t sure what to do with—scarves, hats, belts, shoes, rings, necklaces, gl...