Olympic Order in exceptional circumstances. Traditionally, the IOC bestows the Olympic Order upon the chief national organiser(s) at the closing ceremony of each respective Olympic Games. The insignia of the Olympic Order is in the form of a "collar" (or chain), in Gold, Silver or Bronze according to grade; the front of the chain depicts the five rings of the Olympic Movement, flanked on either side by "kotinos" emblem (olive wreath). A lapel badge, in the form of the five rings in Gold, Silver and Bronze according to grade, is presented to recipients to wear as appropriate. Nadia Comăneci is the only
Iron rings Iron rings Iron rings are heavy metal rings used in martial arts for various training purposes. Metal rings have a long history of being used in Yau Kung Mun, Hung Gar, and other styles for weight training, to harden the muscle, skin, or bone, or strengthen the arms and fists. Many different types of rings are available. The "Chi Sau Ring" is used for conditioning the body in many stances, and exercises. Four-inch-diameter () "Chi Sau Rings" weigh 600 g; iron rings weigh 800 g. Some iron rings are sold in sets, such as two small and two large rings.