Internal structure is another area where cost and quality frequently align. More expensive dolls usually feature advanced internal skeletons made from stainless steel or reinforced alloys, allowing for smoother joint movement, better posing stability, and reduced risk of breakage. Cheaper models may rely on simplified or weaker frames that limit pose options and are more prone to wear over time. For users who value realistic positioning or frequent repositioning, investing in a higher-quality internal structure can significantly improve the overall experience.Craftsmanship and attention to detail also contribute to price differences. Premium silicone sex dolls often involve hand-painted facial features, carefully designed body proportions, and refined finishing around seams and joints. These details enhance realism and aesthetic appeal, but they also require skilled labor and quality control, which increase production costs. Sex dolls cheap may prioritize mass production, resulting in less precise finishing or more visible seams. However, this does not necessarily mean they are unusable or unsatisfying, especially for buyers whose priorities are simplicity or affordability.

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