Characters or designs are often outlined first, then piped in with stars or zigzags. Outlines can also be used for facial features.
Decorate with: Round tip 3 and thin consistency icing. Hold bag at 45° at 3:00 (9:00 for lefties), with tip slightly above surface.
Touch tip to surface. Lift tip slightly; squeeze and guide tip along surface.
Stop squeezing, touch tip to surface. Pull away.
Hint: Can be done with round or star tips, depending on whether perfectly round or ridged outlines are desired.