These women were usually naked
These women were usually naked, except for their collars, which, I gathered, was the way women were usually kept in a slaver’s house.
At the approach of the free men, Hermidorus and Drusus, they would immediately position themselves, usually with their knees wide, kneeling back on their heels, their heads up, their hands on their thighs, in the position I had come to understand was that of the pleasure slave, but sometimes, instead, kneeling with the palms of their hands on the tiles, their heads down, too, to the same tiles.
There was one temporary, partial exception to this, which I will mention. After we had left some carpeted corridors, higher in the house, and were moving to the lower levels, and traversing heavy, flagstonelike tiles, we approached a slender, dark-haired girl who, on her hands and knees, in chains, with a bucket of water, cloths and a brush, in that portion of the corridor, was scrubbing tiles.
Kajira of Gor, p. 222