caption: The image shows a drawing of four different types of keys, each with a unique design. The keys are arranged in a triangular formation, with the largest key in the center and two smaller keys on either side. The text at the bottom of the image reads "Skeleton Key". The keys have a variety of shapes and sizes, with some having intricate designs and others having more simple designs. The colors of the keys range from silver to gold, giving the image a vintage feel.