They put dust on their heads

  1. Joshua ... and the elders of Israel ... put dust upon their heads. Joshua 7:6

  2. And Tamar put ashes on her head, and rent her garment of divers colours that was on her, and laid her hand on her head, and went on crying. 2 Samuel 13:19

  3. When they lifted up their eyes afar off, and knew him not, they lifted up their voice, and wept and ... sprinkled dust upon their heads. Job 2:12

  4. The elders of the daughter of Zion sit upon the ground, and have cast up dust upon their heads. Lamentations 2:10

  5. The mariners ... shall cast up dust upon their heads. Ezekiel 27:29-30

  6. Roll thyself in the dust ... having thy shame naked. Micah 1:10-11

  7. They cried out, and cast off their clothes, and threw dust into the air. Acts 22:22

Dwindling in Unbelief
And they fell on their faces