The Odyssey by Homer Book 9 Page 29

As for myself there was a ram finer than any of the others, so I caught hold of him by the back, esconced myself in the thick wool under his belly, and hung on patiently to his fleece, face upwards, keeping a firm hold on it all the time.

“Thus, then, did we wait in great fear of mind till morning came, but when the child of morning, rosy-fingered Dawn, appeared, the male sheep hurried out to feed, while the ewes remained bleating about the pens waiting to be milked, for their udders were full to bursting; but their master in spite of all his pain felt the backs of all the sheep as they stood upright, without being sharp enough to find out that the men were underneath their bellies. As the ram was going out, last of all, heavy with its fleece and with the weight of my crafty self, Polyphemus laid hold of it and said: