The Kneeling variation of the Sinner, also known as the Kneeling Doggy Style, is a position that requires a good amount of flexibility and balance. The woman starts on her hands and knees, with her partner kneeling behind her. She then brings one leg up, resting it on the partner's shoulder or bent at the knee, while keeping the other leg on the ground for support. This position allows for a different angle of penetration and can provide intense stimulation for both partners. However, it can be challenging for some individuals due to the need for balance and flexibility. The woman may need to use her arms and core strength to maintain her position, while the man will need to provide most of the thrusting movement. The woman can also experiment with hip movements to enhance the pleasure for both partners. Despite the challenges, the Kneeling variation of the Sinner can be a fun and exciting position to try, offering a unique angle of penetration and the opportunity to explore different sensations. As with any sexual position, communication and consent are key to ensuring a pleasurable and safe experience for both partners.