It Is Across The Globe
The trend is not limited to some specific regions only, but it is found throughout the world. Although Sydney was primarily influenced by the Asian states of Thailand and Myanmar, the African continent has also examples where women use this collar neck.
The people of the South African tribe Ndebele use these neck circles as a sign of marriage and wealth, and they name them “idzila.” The rings are presented to women by their better halves, which are always worn in multiples of three. This brass and copper-made jewelry is not for the neck only but also arms and fingers.