MILAN — The video that Madison Chock posted to social media in 2023 didn’t only show herself and Evan Bates, her husband and ice-dancing partner, in costume. It also included the original designs, sketched by Chock, that served as their inspiration. “I am now available for costume design consultations,” she wrote . Chock’s design business quickly gained clients — her competitors. For the last three years leading up to this month’s Milan Cortina Winter Olympics , Chock has held dual roles as an