2 Samuel 9:6

9:6 When Mephibosheth son of Jonathan, the son of Saul, came to David, he bowed low with his face toward the ground. David said, “Mephibosheth?” He replied, “Yes, at your service.”

2 Samuel 14:33

14:33 So Joab went to the king and informed him. The king summoned Absalom, and he came to the king. Absalom bowed down before the king with his face toward the ground and the king kissed him.