Ik ’Joloom Conjures K’awiil Lintel 40 in Structure 16 at Yaxchilan seems to represent a conjuration ceremony of the deity K'awiil by Ik 'Joloom, mother of Pájaro Jaguar IV the Ruler of Yaxchilan. She is seated and holding a double-headed serpent from which images of K'awiil emerge.