The click-clack that echoed through the loftlike fashion photography studio was the same click-clack that can be heard in fashion offices around New York City: Manolo Blahnik high heels on polished floors. In this instance they were being worn by Cathy Beaudoin, 51, when she paid a visit in mid-June from Seattle to the Brooklyn creative headquarters of Amazon Fashion , which Beaudoin oversees as president.