Lightweight revolution: a mechanical miracle that recasts intimate experience

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The weight loss limit of the sex doll torso is broken by metamaterials. The new sex doll has a negative Poisson's ratio foam laid 3mm under the epidermis - it shrinks laterally instead of expanding when vertically compressed, completely eliminating the sagging deformation of the silicone layer due to its own weight. This interstellar material makes the visual fullness of the 20kg doll comparable to the 35kg traditional model, and the deformation rate of long-term hanging storage is zero. The acoustic test unexpectedly found that its shock absorption characteristics reduce the collision noise by 24dB, protecting the intimate privacy late at night.