Juanita moved up beside the burro's heaving flank and sank gracefully onto her knees. The animal turned his head, watching her with interest. He nickered and a spray of pussy-juice sloshed from his lips. His eyes were wide and white in anticipation and his lips were drawn back. The thick veins stood out, pounding, in his arched neck. He pawed at the floor and snorted softly. The beast was being transformed into a fucking machine!

Juanita looked around, smiling, playing to the audience. Then she reached under the beast's belly as he stood straddle-legged. Palm upright, she cupped his bloated balls, lifting slightly, as if she were judging the weight of the jism they contained, or gauging how much she could caress him before he was ready to blow his wad. That was a necessity. The audience hadn't come there to see a girl give a donkey a hand-job, and Juanita had to be careful to avoid premature ejaculation. It was all part of learning her trade.

She shifted about so as not to block anyone's view as she began to caress the burro's balls with both hands. She tugged his full ball-sacs up and down gently, as if she were milking a cow – but she knew that the load in those large balls was a lot thicker and creamier than had ever been pulled from an udder – and a lot tastier, too, she had to admit.

Squatting on her heels, the girl began to run her open hands up and down the donkey's cock, tracing along the thick ventral vein. Then she shifted up and took his cock-shaft in both hands, barely about to span the great girth in her double grip. She frigged up and down.

As she pumped back toward his balls, skinning him, the donkey brayed and humped, shoving his cock through her caressing hands. His fat cock-crown flared out, naked and throbbing, from his taut gray cock-sheath, his piss-hole gaping open and oozing with fuck-juice.