In some circles in the UK, a “twinset and pearls” is shorthand for the woman who favors this particular type of outfit (pearls with a sweater and matching shell). If this model is what we have to go on, it must be an elegant woman with refined taste, but we’re not Brits and defer to the experts. That said, you can make this coat for your own dog by following the instructions in the book, “Pet Projects” by Sally Muir and Joanna Osborne. It fits around the dog’s body, buttons along the belly and has two legs for the dog’s front legs.