Decorate flow-in cookies. Prepare Color Flow icing following recipe directions, Tint portions light burgundy and gray (using black icing color). Reserve some white. Use tip 3, cut disposable decorating bag and full-strength white icing to outline cookies. Use thinned white icing in cut disposable decorating bag to flow in cookies.
Use thinned tinted icing in cut disposable decorating bags to pipe chevron (zigzag) design. Let dry 24 hours.