A few years ago, Elizabeth ­Solomeina, owner of fine jewelry brand Solomeina, decided she would stop wishing for a New York City retail partner that let independent designers connect directly with their consumers—she would create such a store herself. The designer joined forces (and pooled financial resources) with nearly three dozen other locally based fashion, accessory, and ­jewelry designers to open Flying Solo, a marketplace that carries and promotes independent luxury designers. The retail shop was conceived as a highly curated environment that would lure stylists and editors—and on any day of the week, you’re likely to find both there. The shop’s business model is just as uncommon and borrows from both the consignment store and the community co-op. Designers pay a monthly flat membership fee that goes toward rent, marketing, and events, and are required to work in the s