Isaiah 47:2

(2) Take the millstones.—Always the most servile form of female labour (Exodus 11:5; Job 31:10; Matthew 24:41).

Uncover thy locks.—The picture of suffering is heightened by the fact that the female slave has to wade unveiled, and bare-legged, all sense of shame outraged, to the scene of her labours. The picture is, of course, to be taken symbolically, not literally.