6Zucchelli, Christine. Stones of Adoration Sacred Stones and Mystic Megaliths of Ireland. Doughcloyne, Wilton, Cork: Collins, 2007. 39.
The author notes the sexual symbolism of some paired stones: "Where one of the stones is tall, thin and sharp-topped, while the second appears rather small, square and blunt-topped, the pair is often taken for a representation of a divine couple, or of the female and male principles."