The modifications include the Bishamon Kikko pattern based on the pattern combining three hexagons which is found on the Katchu (armors and helmets) of Bishamonten (Vaisravana), and the komochi kikko (literally, child-bearing kikko) pattern in which a hexagonal pattern includes another small hexagonal pattern inside).
応用パターンとして亀甲を三つ組み合わせた毘沙門天の甲冑に見られる毘沙門亀甲、入れ子状にした子持亀甲などがある