Tapestry Knitting is a technique that allows knitters to create colorful patterns and images by using multiple yarn colors in a single row. This method involves carrying unused yarn along the back of the work, which helps maintain a neat appearance and prevents long floats. The process typically requires a chart or pattern to guide the knitter in switching colors at the right moments. Tapestry knitting can be used to make a variety of items, including sweaters, scarves, and blankets, showcasing intricate designs and vibrant color combinations.