English embroidery of fine worsted on linen. Crewelwork refers to a type of decorative embroidery that is commonly found on upholstery, curtains, and other fabric-based items. It is typically done with crewel wool, which is a thick, loosely twisted thread. The stitches used in crewelwork often create intricate and elaborate designs, with motifs such as flowers, vines, and animals being common. Crewelwork can add a touch of elegance and richness to furniture and is often associated with traditional or vintage styles.