I see jagged lines by looking at the feathers, the shape of the feathers on a string. The feathers start to change colors when you look down the line of them. I see a curved line where the feathers are hanging on a string. Gradation is shown in the feathers. Throughout the line, the feathers gradually become darker than the others. Gradation is the series of gradual changes. This artwork shows gradation since there are different colored feathers. 

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