If I said, "Rag & Bone," more likely than not, an image of Newbury ankle boots might pop into your mind. Same, maybe, with "Chloé" and those flat, studded Suzanna booties or "Isabel Marant" and — whether the designer likes it or not — wedge sneakers. So while you might not yet recognize the brand name Freda Salvador — a faux moniker concocted by co-founders Megan Papay and Cristina Palomo-Nelson —