Prepare and roll out cookie dough. Cut with cookie cutter. Bake and cool. Use tip 3 and full-strength white color flow icing to outline cap; let set. Use tip 3 and thinned down black color flow icing to fill in cap; let completely dry. Use tip 3 and full-strength yellow combination icing to pipe tassel, add dot button on top of cap and dot knot on tassel.
*Combine Lemon Yellow and Golden Yellow for yellow shown.