The ring is striped over the hard penis and the cuff is tightened (tighten by feel - risk of congestion of the veins). Caution: You should tighten the cuff careful so that the skin is not pinched. Features: black rubber round cord made of NBR - elastomer (nitrile), 5 mm, hardness of 70 shores. High strength and elasticity. Very resistant against oils, gasoline and heat. The noble cuff is made of hard-aluminium and treated with an anodized color.

Material: NBR elastomer rubber cord and hard-aluminium cuff

Colour: Black

Cord diameter: 5 mm

Rubber hardness: 70 Shore A