Product Features
✅ Soft vaginal walls tightly contract at entry, delivering silky, clinging pressure
✅ Firm protruding cervix creates a bold “catch point,” intensifying the moment of penetration
✅ Deep embedded hard-core uterus structure simulates ruthless womb penetration for extreme stimulation
Product Description
The Kanchitsu Series Uterus Penetration Hardcore Womb Masturbator by A-ONE is an ultra-intense onahole meticulously co-developed with fetish illustrator Tailsuke, built for connoisseurs who crave the savage thrill of uterine penetration. This double-layer vaginal structure starts with an outer canal made from luxuriously smooth material that gently squeezes and caresses as you enter. Just a few strokes in, you’ll collide with a tight, protruding cervix that acts as a deliberate hard-stop barrier—forcing you to press through with a gratifying resistance that mimics breaking past the womb’s entrance.
Push even deeper and you’ll reach a specially embedded hard-core uterine structure, delivering a sudden spike of firm, unforgiving pressure that feels exactly like violating the deepest, most taboo boundary. This creates a three-stage progression of pleasure: a welcoming silky squeeze, a tense locking pinch, and finally a brutal deep-core shock that sends sensations spiraling out of control. Complete the immersive humiliation fantasy with the included cervix secretion-style lubricant that perfectly mimics the texture of precious feminine fluids. For heavy fetish enthusiasts and those who want to explore the darkest edge of vaginal play, this is the ultimate must-have masterpiece.
Usage Recommendations
Generously apply the included uterine lube to maximize the silky entry and intense hard-core plunge. Begin with slow insertions to savor the initial soft vaginal wrap, then steadily increase depth and speed to power past the cervix barrier into the hard womb zone. Alternate strokes to experience the distinct three-phase compression, training yourself to last through each brutal wave of stimulation. After use, clean thoroughly with warm water and mild soap, ensuring the inner cervix structure is flushed, then air dry for next time’s savage session.
Product Specifications
■ Package Dimensions (mm): H204 × W158 × D84
■ Package Weight (g): 730
■ Product Dimensions (mm): H160 × W65
■ Product Weight (g): 480
■ Product Number: 4573432992275
■ Accessories: Cervix secretion-style lubricant
