Bicycle wheel some other fixed point may be used as a reference mark, however this is less accurate. At one end of each spoke is a specialized nut, called a nipple, which is used to connect the spoke to the rim and adjust the tension in the spoke. The nipple is usually located at the rim end of the spoke but on some wheels is at the hub end to move its weight closer to the axis of the wheel, reducing the moment of inertia. Until recently there were only two types of nipples: brass and aluminum (often referred to as "alloy").
Carcassonne: Wheel of Fortune not involve any new mechanics (primarily from "Carcassonne: Inns and Cathedrals", "Carcassonne: Traders and Builders", and "Carcassonne: King and Scout"). However, certain tiles have additional markings significant to this expansion. The new feature of "Wheel of Fortune" is the namesake wheel, which takes the place of the starting tile. The wheel consists of a number of spaces, and players, in place of placing followers on the tile they just played, may place tiles on spaces along the rim of the wheel. Each space on the wheel may have one or two spaces on the rim. In addition, a pig-shaped marker