火炮残暴的阿丽奈: large cavity with shallow coarse texture

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Weight is 410g, overall length 17.5cm and internal length 14.5cm. The elongated standard shape uses one material layer with ordinary firmness, slight tackiness and tolerable odour. Entrance detail is vague. A large cavity has a pitted surface with rounded edges and a few raised posts.

Air expulsion is important: without it, fit is loose and alignment difficult. Afterwards the walls collapse inward and the entrance maintains a seal reasonably well, producing adhesion and steady friction. The review finds low relief gentler than strongly textured suction designs. “Vacuum” here describes manually expelled air, not a pump or measured pressure specification.

The coarse surface gives distinctive, fairly even contact rather than detailed anatomical realism. Poor performance without air expulsion is the main limitation. The original recommendation is 4 stars.