If you are a cake designer then you require to use a cake decorating nozzle. They can be found in various sizes and are designed to help the person doing the decorating with the smaller or thinner icing to create fragile flowers and shapes that will appear ideal when embellishing. http://flower-nozzles33100.theideasblog.com/4461358/realistic-cake-decorating-nozzle-set-programs-basic-answers