How did the ladies of the imperial household solve the problem of weaving the delicate thread from a single cocoon?

Hi, my name is Iroda and answer is Empress Si Lingqi and the ladies of the imperial court rested beneath the mulberry trees in the palace courtyard. As the young empress fanned herself she looked up at the branches of the majestic mulberry and studied the silk-moth caterpillars spinning their intricate cocoons.