Just a fashion statement
No it was not normal, but they probably could
no
To small
The nationality is South African, they wear these rings to show that they are married!
to show they are married
You are probably referring to women of the remote Karen tribe, who wear brass rings around their necks to elongate them. I am not sure of the name for these rings in their language, but the women are commonly known as "the longnecks" due to their penchant for wearing these heavy rings.
On your right hand.
crabs to there neck and worms as rings
In Tamil Chennai, it is common for women to wear wedding rings as a symbol of their marital status. However, it is not as common for men to wear wedding rings in this region. The choice to wear a wedding ring can vary among individuals and couples.
Most older women wear saris and younger women wear punjabis. Many also have henna tattos, jewllery and piercings, such as nose piercings.
Men do not traditionally wear engagement rings as they only wear wedding rings, it is only women that wear engagement rings. However, I would assume that this would be the ring finger, the same as women which is the left hand, next to the little finger.