Our male chastity belt has a unique carabiner, designed according to the style of the swallow's tail, which fits closely with the human body curve, and is firm to wear, not easy to fall off.Material: ResinFunction: Sissy Male Lock RingCage Size: 4.1 * 3.5 cm/1.62 * 1.38 inchRing Size:S: 4.3 cm...