To thoroughly cover a females fine ass with your favorite scented lotion and screw her crack like there's no tomorrow until orgasm. No penetration is necessary.
She was working under the sink one day and her low rise jeans began to fall. That plumbers crack was irrestable. I reached for the Jergens next to the sink and let the white devil out of the bottle. Her crack being well greased, I unleashed my flesh devil onto her Grand Canyon. Bliss was obtained in the next 15 seconds.