Men's fashion rings

Pinky finger rings: 
To make an eye-popping statement! 
Better to go with intricate designs with some diamonds or gemstones on your pinky finger, it will represent your intelligence and strong personality.
The fourth finger rings: 
A unique and artistic design with some diamonds or gemstones on the fourth finger would not be assumed to be a wedding ring, meanwhile a plain metal band or the one with minor bling is more likely to be a symbol of being in a relationship.
Some men like to wear rings on the index, middle finger or on their thumb. It all depends on the ring style, proportion of the ring with the finger size, and of course your personal taste! 
Just to keep in mind" Not to crowd your fingers with too many rings. The rule of thumb is to balance all your jewelries"