Rings: Thumb: wearing different rings with different gems in them can effect spine, brain, thyroid, lymph nodes, and stomach. Small Finger: Wearing a ring in the small finger can be beneficial in problems related to acute anxiety and stress. Rings on this finger can be for Moon, Mercury, and even Sun in rare cases. Ring Finger: Improves sexual powers and balances the ambition (by wearing a gold ring). This also improves/removes the interest in societal issues (for decrease in interest, one should wear a "rudraaksh ring or some other specific gems).