Musings on Hermès’ Birkin, the Walmart version, dupe culture, consumerism, and the current state of fashion. “It’s not just a bag, it’s a Birkin,” said the salesperson to Samantha Jones, the (fabulous!) PR executive played by Kim Cattrall in fashion’s favorite TV show, Sex and the City. While that sentence might seem stupidly pointless today, once upon a time, it was simply social consensus that a Birkin was not just any kind of purse.