Shop our rosary rings & fingers rosaries! Finger rosaries, which are also known as rosary rings or decade rosaries, are a popular Catholic devotional item. Since they are smaller than a full-sized rosary, they are easily held in one hand or looped over a finger. Many people like to keep them in their cars or purses or even attach rosary rings to their keychains. It’s a beautiful, practical method of staying prayerful in everyday life!