Often, the underlayer would coordinate with a layered sleeve. Conversely, the plumage is flattened in water, thus waterproofing the skin and the downy underlayer. These plants can form an underlayer of blanket peat and boggy areas. The coat has a thick underlayer and is usually gray, brown, black or leopard. An underlayer of fungal hyphae, the hypothallus, is present on some species of crustose lichens. Craquelure is frequently induced by using zinc white paints as the underlayer in pentimento techniques. Young branchlets have grey bark with a plum-coloured underlayer. The resist underlayer also plays an important role. He is dressed in a red cloak and hat covering an underlayer of clothing. It is a hundred year old oak plantation with an underlayer of hawthorn and blackthorn. This could be due to the secondary electrons generated by the underlayer. As Monroe dances the underlayer is revealed. The paint of the signature has the same crack patterns as the underlayer.