A 2-week-old newborn is brought to your clinic by her mother, who reports difficulty with breastfeeding. The infant has poor latch and difficulty maintaining suction during feeding. The mother denies any history of trauma during pregnancy or delivery. After a thorough osteopathic examination, you suspect a cranial dysfunction that might be contributing to the infant’s suckling issue. Which of the following cranial osteopathic techniques is most appropriate for treating this newborn?