Substances used as finings include egg whites, blood, milk, isinglass, and Irish moss. Anheuser-Busch eliminates the need for isinglass finings by settling and removing particles before fermentation. Left undisturbed, beer will clear naturally; the use of isinglass finings accelerates the process. Blancmange is sometimes thickened with gelatin or isinglass, sometimes with starch. Animal-based fining agents include gelatin, isinglass, egg whites (albumen), and casein. C76-H52-O46 is used for the clarification of white wine, using casein, gelatin, or Isinglass. Finings can include plant-derived products, like Irish moss, or animal-derived products, like isinglass and gelatin. Isinglass is obtained from the swim bladders of fish. Isinglass () is a substance obtained from the dried swim bladders of fish. All Guinness Draught in keg format is brewed without using isinglass. For this use, the isinglass is cooked with a few drops of glycerin or honey. Isinglass from tins was dissolved into water, typically in a bucket. Such peepholes were also used in "isinglass curtains" in horse-drawn carriages and early 20th-century cars. Strafford is drained by the Isinglass, Big, and Berrys rivers. Barrington is drained by the Isinglass River and Bellamy River.