Slightly interesting.

http://www.kink.com/php/modelt/?action=show&view=4

"$700 vaginal dildo play and finger penetration
$800 vaginal/anal dildo play and/or finger penetration and/or handjob
$900 vaginal and/or oral sex
$1000 vaginal and/or oral sex plus anal dildos
$1100 vaginal and anal sex
$1300 double penetration"

Trying to keep that shit straight in your head in a group scene is insane. I can only do x to y, and never z to y, its like WTF??