Prepare dough and roll out 1/8 in. thick. Cut using stocking cutter from set. Bake and cool completely.
Prepare Color Flow Icing Recipe. Tint portions red; reserve some white.
Outline and fill in stocking. Use tip 2 and full-strength red icing to outline stocking. Use thinned red icing in cut disposable decorating bag to fill in stocking. Immediately use tip 2 and full-strength red icing to pipe diagonal lines and sprinkle with red sugar. Let dry. Use brush to remove excess sugar.
Make cuff. Use tip 2 and full-strength white icing to outline cuff. Use thinned white icing in cut disposable decorating bag to fill in. Sprinkle cuff with white sparkling sugars. Let dry. Use brush to remove excess sugar.