The slave gets down on all fours, palms to elbows flat against the floor, bottom in the air, forehead close but not quite touching the ground and crawls to within inches of the Master's feet.
I pointed to the stones at my feet. "Crawl," I said , in Gorean. The girl slipped to her belly, and as a slave girl, crawled to my feet. She put her lips to my foot. I felt her hair over it.
Tribesmen of Gor, P.78
"Go to the couch," I told her, "and curl up there." "Yes, Master," she said. She then, on her hands and knees, crawled to the foot of the couch.
Savages of Gor pg 13