Scratch that. The video is fake.
He is fucking her with a very large dick, this is true. But never showed him actually putting it in her, and it cut away before he pulled out.
THEN it shows a penis that bends funny at the base (when she moves it), with a cumshot that would make Peter North cry. I call BS on that.
Realistically, the dude fucking her is probably 10". But that "thing" at the end (double the length of her face), is most certainly prosthetic.
If it were real, he, not Jonah Falcon (13.5" x 7") would be known for having the world's biggest. The biggest in porn is Mandingo, and he has an 11" penis. Believe me, he would owe it to the black community to come foward and take the dick crown from the white boy, if that thing were real. It's not. Period.
Sorry to spoil it for you.