A handful of hair in one hand, a brutal whip in the other, and a happy penis (with unhappy girl) in the middle:

Via Spanking Blog.

Some people like to see what they are putting in their mouths. Some people don’t get that option:

From Bondage Blog.

This blowjob is a dramatic study in contrasting colors:

I suspect this photograph shows (or is intended to suggest) a prostitute giving a quick blowjob in a public park. The combination of outdoor setting, street clothes, and especially the cigarette still held in the hand holding his penis, seem telling: