Girls got excited while riding stallions, so it's not surprising that when they saw those guys they jumped on them. Well, their chosen pose is exactly what I pointed out in the previous sentence. It has always been a mystery why so many girls love horses, actually this video partially answers this question.
How happy was the young brunette, giving a blowjob, when another man came in. This one sure knows a lot about sex. Although she looks so cute and young, but apparently this is already a hardened slut. She's good for anal.