Black-Brown Silicone Realistic Penis Sleeve – Testicle-Restraint and Ejaculation Delay Ring for Extended Erection

Enhance Performance with the Black-Brown Silicone Penis Sleeve

Black duke silicone penis sleeve a revolutionary cock sleeve designed for the performance upgrade. This realistic, black and maroon penis extender not only provides dramatic size enhancement but also features an integrated testicle-fixing constriction ring to help prolong erection and delay ejaculation.

Experience a profound “Body sensation upgrade” with lifelike textures, prominent blue veins, and an internal pattern designed to intensify pleasure for both partners. 

Key Features and Performance Benefits

The Black Duke is meticulously engineered to combine realistic aesthetics with superior functional benefits:

• Simulated and Realistic Texture: The sleeve boasts an intensely realistic, simulated texture, featuring a rich black-maroon color simulation and prominent blue veins that protrude along the shaft.
• Integrated Testicle Lock Ring (Stamina & Erection): The secure base includes a testicle-fixing ring designed to gently constrict the base of the penis and testicles. This physical constriction helps lock in blood flow, which can significantly improve and prolong the erectile state while assisting in delayed ejaculation.

📏 Specifications and Design Details

• Product Name: Black Duke
• Material: Silicone
• Color: Two-color (Black/Maroon with Blue Veins)
• Texture: Simulated Texture with Blue Veins
• Function: Penis Extender, Testicle Lock Ring, Ejaculation Delay Aid
• Waterproof Rating: IPX6