Complex sentence: Her item, like all the other girls is a ring but it is placed on the ring finger of her left hand which may have been done to hint at how Nadeshiko and Kaoru feel about each other.
Split into simpler sentences: Her item, like all the other girls, is a ring, but it is placed on the ring finger of her left hand. This may have been done to hint at how Nadeshiko and Kaoru feel about each other.