Metal Nipple Clamps materials for safety and durability: made of a alloy body with soft silicone cushions and bell charms. Smooth, safe to touch, lead and nickel , and resistant to fading or deformation. Compact and portable: small and lightweight design that is easy to carry. Can be used for nipple stimulation and to help promote blood circulation to the breasts. Easy to use and secure: nonpiercing design that stays comfortably in place. Use the external clips on both sides to grip the fabric part and tighten the screws for a secure fit. Rubber clips feature a bell pendant for visual and auditory stimulation. Adjustable tension and versatile: tension can be adjusted to suit preference, delivering either gentle pleasure or light intensity. Ideal as a couples game prop, for lingerie nights, selfindulgence, honeymoon trips, and various celebrations. Adds colour to your experiences.