It includes a reed bed called the Heart of Reeds. The reed plate is a grouping of several reeds in a single housing. They generally line nursery nests with grasses and soft reeds. They are often dominated by grasses, rushes or reeds. Bamboo, grass, banana, reeds, and trees are common mediums. It hides in abandoned mammal burrows, hollow trees, dense water reeds, and mangrove thickets. Kevlar is used in the woodwind reeds of Fibracell. The pipes are typically made from bamboo, giant cane, or local reeds. The lynx inhabits high altitude forests with dense cover of shrubs, reeds, and tall grass. In Europe these plants include&colon; creeping willow, cotton grass, yellow iris, reeds, and rushes. Ordinary people lived in houses made of reeds plastered with mud and roofed with thatch. The orchestral double reeds all employ a similar embouchure. Roman Empire mattresses were stuffed with wool, feather, reeds or hay. The harmonium's design incorporates free reeds and derives from the earlier regal. Baskets made of reeds are made in Ures along with hats.