small, soft spikes adorning the horses genital, down to the ballsack with hundreds of thousandth angry swimmers awaiting to fertilize her womb any time it saw fit to do so ~

The horse would do nothing of the sorts, instead trotting back a bit to align his cock with her pussy, and — as animal mind-tracked that it was, /STUFFED/ her helpless vagina full with it's still flaccid cock, which was now growing ever harder inside of her.

Her walls would be stimulated by the +

on above her.

Said horse would breathe through it's nose, lowering it's head and bumping her back.

It would do this again, but with enough force to actually knock her over, onto all fours...

A prime position for his nasty smelling, horse-musk cock to plop right between her asscheeks as he horse trotted right +

" . . . "