Clare smiled devilishly, "Mmm, well lets find out, shall we?" she said but gave little time for Fern to respond, and began to pull down on Fern's thighs, roughly pressing her massive hot throbbing cock up against Fern's soft warm puckered anus, at first, what would feel like a life time, Clare's massive cock didn't slide an inch into Fern's body, despite the rough pressure but then, slowly, as Clare put more and more pressure, the tip of Clare's hot throbbing cock began to force Fern's anus to stretch more and more, until the hot throbbing head of Clare's cock, began to very slowly push into Fern's ass.