Lewis and Harris MacLeod, and those on Lewis being referred to as from the clan MacLeod of Lewis. Lewis is also the ancestral home of Clan Morrison. The Lewis chessmen is a famous collection of 12th-century chess pieces, carved from walrus ivory and mostly in the form of human figures, which were discovered in Uig in 1831. A major industry on the island is the production of Harris tweed fabric, which is handmade on the island; by law only fabric produced in the Outer Hebrides can be called Harris tweed. The Lewis Trilogy of novels ("The Blackhouse", "The Lewis Man" and "The Chessmen")
Knitted fabric some Shetland "wedding-ring" shawls are so fine that they may be drawn through a wedding ring. By combining increases and decreases, it is possible to make the direction of a wale slant away from vertical, even in weft knitting. This is the basis for bias knitting, and can be used for visual effect, similar to the direction of a brush-stroke in oil painting. Various point-like ornaments may be added to a knit fabric for their look or to improve the wear of the fabric. Examples include various types of bobbles, sequins and beads. Long loops can also be drawn out