I often find it hard to believe that the sexy lady is enjoying her anal sex with the guy, when her pussy looks dry and apparently unexcited.
Only once in a while do I get to see some anal-sex super-stars like Katsumi masturbate her clit with a finger or two during her furious doggy-anal ride. Which makes her pussy-lips swell with excitement and open up like a flower to the viewer's delight.
It's no wonder that Katsumi has won several anal-sex film awards. But what puzzles me is why aren't more porn ladies doing it like that? A pussy that swells and opens up on its own due to sexual excitement always looks better than a dry, unexcited pussy looks.
Perhaps some anal-porn-ladies don't know how to put on a good show for the viewer. They cover too much of their pussy with their hand. But all the lady needs to do is slide a finger or two between her pussy lips on top of her clit, and leave the rest of her pussy uncovered for the viewer to watch.
That's how Katsumi has done it in some of her anal scenes. And I see no reason why other porn ladies don't watch Katsumi's porn scenes and learn from her.