Slice cabbage, cucumbers and radishes thinly. Use mandolin if available.
In a large bowl combine sliced cabbage, cucumbers, radishes, arugula, chopped cilantro, chives and coked chicken if using.
In a small bowl mix all dressing ingredients together until smooth. Pour the dressing over the cabbage salad ingredients and mix gently, add salt to taste. Sprinkle with black sesame seeds and serve.