Bentley Race frequently gives his models a helping hand/mouth/dick. Seems pretty spontaneous, theyre part of the highlights of his videos.
Not only that, sometimes the cameraman gives the guy a good fucking. Like this:
https://www.gaytorrent.ru/details.php?id=4601e9a6b635fedac4279ce30449ddff18077c53612f0d43&hit=1