Material: Used as roofing material, insulation for clothing, houses, and food storage pits, mattresses, to cover floors, as a surface for cutting fish and game, for steam bath switches, and as a weaving material. People weave mats, mittens, socks, cups, backpacks, and other items from beach rye. The roots and rhizomes are collected to make taariq, scrubbers used in the steam bath.