and closed the wooden joints. Tyres were fastened to the wheels with nails, or tyre bolts. The metal tyres were drilled before being placed on the wheel. Tyre-bolts were less likely than tyre-nails to fall off because they were bolted through the felloes. Both countersunk and flush finished to the wheel's outer surface. During the second half of the 19th century, the use of pre-manufactured iron hubs and other factory-made wood, iron and rubber wheel parts became increasingly common. Companies such as Henry Ford's developed manufacturing processes that soon made the village wheelwright obsolete. With the onset of two world wars, the trade soon went into decline and was very rare by the 1960s and almost extinct by the year 2000. However, owing to the efforts of organisations like the Worshipful Company of Wheelwrights, wheelwrights still continue to operate in the UK. In modern times, wheelwrights continue to make and repair a wide variety of wheels, including those made from wood and banded by iron tyres. The word wheelwright remains a term usually used for someone who makes and repairs wheels for horse-drawn vehicles, although it is sometimes used to refer to someone who repairs wheels, wheel alignment, rims, drums, discs and wire spokes on modern vehicles such as automobiles, buses and trucks. Wheels for horse-drawn vehicles continue to be constructed and repaired for use by people who use such vehicles for farming, competitions and presentations of historical events such as reenactments and living history. Wheelwrighting today A modern wooden wheel generally consists of three main parts, the nave or hub at the centre of the wheel, the spokes radiating out from the centre and the felloes or rims around the outside. Generally the wheel would be bound by a steel or iron tyre depending on its historical period and purpose. The main timbers used in a traditional wooden wheel are Elm for the nave, Oak for the spokes and Ash for the felloes although this can vary in some areas depending on availability of timber, climate and style of production. Sometimes Hickory is substituted for Oak and Ash as it is easier to bend for mass production and is quite springy for light wheels that require a bit of flexibility. The Elm is used for its interwoven grain, this prevents the nave from splitting with the force of the spokes being driven in tight. The Oak is used because