Decorate crisped rice cereal treat. Prepare buttercream icing following recipe directions. Use tip 8 in a cut disposable decorating bag and icing to outline and pipe in stripes, 1 1/2 in. wide, 2 in. in from each end. Use spatula to ice smooth. Pipe two lengthwise icing lines 4 1/2 in. long, side-by-side for football closure. Use tip 4 in a cut disposable decorating bag and icing to pipe laces 1/2 in. apart across football closure lines.