Make cookies. Prepare cookie dough and roll out following recipe directions. Use boot cutter from set to cut shape. Bake and cool cookies.
Ice cookies. Prepare Color Flow icing. Tint portion black and small amount yellow. Reserve some white. Use tip 3 and full-strength black icing to outline boot. Use tip 3 and white icing to outline boot cuff. Use thinned black and white icing in cut disposable decorating bags to flow in icing as well as to add white highlight on toe of boot. Let dry 24 hours.
Decorate cookies. Use tip 2 and full-strength yellow icing to pipe buckle. Let set 1 hour.