She tries to throw her arms around the horse's neck, but she slides down the side of the horse anyway. And the horse keeps gallops along, totally ignorant that she's falling off.
Finally, giving up her frail grip, the blonde tries to leap away from the horse and throw herself to safety. Unfortunately, her foot becomes entangled in the stirrup, and she is now at the mercy of the horse's pounding hooves as her head is struck against the ground over and over.
She starts to lose consciousness, but to her great fortune, the Merry-Go-Round stops.