Fair Isle knitting is a traditional technique originating from the Fair Isle, one of the Shetland Islands in Scotland. This method involves using two or more colors of yarn in a single row to create intricate patterns and designs. The technique is characterized by its use of small, repeating motifs, often inspired by nature or geometric shapes. In Fair Isle knitting, the unused yarn is carried along the back of the work, which helps maintain the fabric's structure and warmth. This style is commonly used for making sweaters, hats, and other garments, showcasing vibrant colors and unique patterns that reflect the rich cultural heritage of the region.