1953. Edgings, of various sorts, are formed of wire, basket-willows, laths, boards, plate iron, and cast iron; the last is much the best material. They may also be of various forms, but the most convenient are those shown in figs. 533, 535, and 537., which, when a foot in width, and made of good strong wire, cost about two-pence each; and these figures may be combined in various ways; for example, as shown in figs. 534. 536. and 538.