According to tradition in some countries (derived from Roman belief), the wedding ring is worn on the left ring finger because the vein in the left ring finger, referred to as the vena amoris was believed to be directly connected to the heart, a symbol of love.
u wear your ring on the Fourth finger on the left because that vain leads to your heart
why shouldn't a ring be worn on a pinky finger? if you like it do it as long as its not a safety risk at work.
the Index Finger
A pinky ring is worn on the pinky finger of either the right or left hand. The pinky finger is the smallest finger and located the farthest from the thumb.
Eternity rings, having evolved from wedding rings, are also worn on the "ring finger", which is normally the third finger of the left hand.
Ring
you can but a wedding ring is really the only ring that's supposed to be worn on your left finger... on your right ring finger it is fine though
it is recommended to worn on the ring finger.
index finger
Yes, people of Western countries wear the engagement and wedding ring on the same finger.
Because there is a vein that runs from that finger directly to your heart
No rings are to be worn one on a finger at a time and only on the ring finger.
Ring fingers are normally placed on your left hand, 2nd smallest finger. (the one next to your pinky/ smallest finger) There is actually a ring finger on each hand. A wedding or engagement ring is worn on the left.