Cleats have been worn in a variety of sports since the 1500s. One of the earliest references to spiked shoes being used for golf was in an 1857 copy of The Golfer’s Manual. In 1891, cleats with a separate screw-in spikes were introduced; these provided golfers with better footing but they damaged the greens and clubhouse floors. In the 1980s, show manufactures began to focus on the athletic side of footwear and were making shoes that were more flexible. It was not until the 1990s that shoe manufactures introduced a golf shoe that had nonmetal cleats which were more comfortable and less damaging to the greens.