These two brunettes get down and dirty on the bed with some nice extreme dominant trib in scene 4. Its called By Appointment Only #4, from Triangle films, and is available from Hotmovies and Our Theatre.
From the video description:
See the beauty of women pleasing women! We’ve made an appointment for you with our luscious ladies. They will charm and entice you with their sumptuous beauty. Feel your body tingle and throb with desire. Our ladies are so sizzling hot, you will melt with desire. Enter with caution! We’re ready for you now! This is one appointment you don’t want to miss!!! Created By Woman For Women!!!