Flipper’s World is bringing roller-skating culture to fashion.Pickle Rental and Lend Clothing App Expands to Los Angeles Closets The skating rink and lifestyle brand – revived by English model Liberty Ross and American entrepreneur Kevin Wall, in partnership with Usher – has named Eddie Bromberg as chief executive officer, WWD has learned exclusively. Bromberg will oversee apparel and accessories, with plans to drop a full collection in spring of next year, though the brand will first be unveiled in limited releases between early fall and holiday this year. To date, Flipper’s releases have been merch; Bromberg plans to take the company in…