Chinese Knot with twin gold fish Knots were an are associated to ward off evil spirits or act as good-luck charms given during Chinese New Year celebration. They can come in a variety of colours such as; gold, green, blue or black, though the most commonly used colour is red, symbolising good luck and prosperity. There are many different shapes of Chinese knots. The most common being flowers, birds, dragons, fish, and coins attached to the knotting; vending along the street. China Town, Bangkok