In the Planted Closed variation of the Sinner, the woman's legs are wrapped around the man's waist, with her feet resting on the inside of his legs. This position allows for deeper penetration and increased clitoral stimulation, as the closed legs create more pressure against the woman's clitoris. The woman can also use her planted feet to help control the pace and depth of penetration, making it a great option for those who enjoy a more active role during sex. It's important to communicate with your partner about what feels good and to adjust the position as needed to maximize comfort and pleasure for both parties.