(1) It is made out of aluminium alloy, which is lighter and smoother than its chrome-plated counterparts, and preferable for people who have nickel allergies.

Ellipse shape (ovoid olivary oval shaped), more comfortable. This is a restraint system that is both high-function and high-fashion. Our blacksmith custom makes this item by hand. Locks with a combination lock.

It has removable O-rings for attachment to chains, ties or other bondage gear. Means you can securely lock your sub to the toys of your choice.

The maximal inside diameter is 6.8 cm, the width is 1.8 cm.

(2) The weight of this item is approximately 665g.