High Quality Content by WIKIPEDIA articles! A grouser or cleat is a protrusion on the surface of a wheel or continuous track segment, intended to increase traction in soil, snow, or other loose material, in the same manner as cleated shoes provide traction to athletes. Track segments which incorporate grouser bars are known as grouser shoes, and typically include one to three grousers. Grousers are commonly used on construction vehicles such as bulldozers, loaders, and excavators, as well as tanks, agricultural vehicles, and snowmobiles. They have also found use in such extreme environments as the deep sea floor, and the surfaces of the Moon and Mars.