Triggers
She straddles a pillow and slides her hips forward and back.
She grinds her hips on the pillow.
A woman is straddling a pillow, engaging is sexual intercourse.
She is rubbing her pussy on the pillow.
The woman in grinding on top of the pillow.
Works greats with various sex loras to enhance motion in sex scenes too!
Works for I2V as well!