Felicity Irons of Rush Matters has revived the centuries old British craft of rush working: “Rush is a fantastic material; practical and durable but also beautiful. You get such fantastic colors–vibrant greens, dark browns, purples, pinks–and it’s naturally aromatic.” The process from harvest to finished product is done entirely by hand using traditional techniques. During the summer months, Irons and her team collect freshwater bulrush on the rivers of Bedfordshire, Cambridgeshire, and...