Realistic oral features significantly enhance the lifelike experience of erotic sex dolls, providing a more immersive and satisfying interaction. Advanced designs incorporate anatomically detailed mouths with textured interiors that mimic the sensation of real oral cavities. Some models feature movable lips and flexible tongues, allowing for a range of natural movements and positions. High-quality silicone or TPE materials are used to replicate the softness and elasticity of human skin and tissue, making the oral cavity feel authentic to touch. The interior textures are often designed with ridges, folds, and other realistic details to increase stimulation and realism. Additionally, some dolls include features such as suction capabilities or adjustable jaw tension, offering varied sensations to suit personal preferences. Ventilation and drainage systems are also incorporated to facilitate easy cleaning and maintenance, ensuring hygiene while maintaining realism. The combination of detailed craftsmanship, flexible materials, and functional features makes these oral features some of the most realistic available, greatly enhancing the overall experience and satisfaction with your erotic sex doll.