Mobility and natural movement are key to a convincing sex doll experience. Tailoring joints begins with understanding the doll’s internal framework, typically a skeleton or articulated system that supports posing. For most models, the shoulders, elbows, wrists, hips, knees, and ankles are the primary pivot points. If mobility feels stiff, it may benefit from a gentle warm-up routine: test each joint through its full range of motion a few times, which can ease stiffness and improve fluidity.

Lubrication is sometimes appropriate for metal joints or certain polymers, but only use products recommended by the manufacturer to avoid damage. Tight joints can be stabilized by carefully tightening screws or adjusting tension collars, ensuring you do not overtighten and risk cracking or misalignment. If certain limbs droop or fail to hold pose, check the internal pins, rivets, or stringing system; sometimes re-stringing is necessary to restore balanced tension.

Customizing mobility also involves soft tissue considerations. Silicone and TPE skins may restrict or enhance movement depending on thickness and elasticity. When adjusting joints, maintain symmetry on opposing limbs to preserve natural proportions. Finally, test poses that simulate everyday activities—sitting, bending, and reaching—to verify stability and comfort. If needed, consult a professional repair service for complex reassembly, ensuring safety and longevity of the doll’s mobility.