Usually when watching two dudes fuck, you want to see all of them, the muscles and tendons and flexing that go into love making. Then other times, just a pole and a hole is enough to get you off.
This is one of those latter times, when a skilled bottom riding a cock relentlessly (in night vision no less) is sexier than seeing the entire bodies. This way we can imagine ourselves in both of these role, as both the pleaser and the pleasee. Let's hope that when we're being pushed to the brink of ecstasy by a huge cock we look half as good!
·How to Ride a Dick (xtube.com)