Idolatry: Other Customs of Cutting the Flesh
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1 Kings 18:28
So they shouted louder and cut themselves with knives and lances, as was their custom, until the blood gushed over them.
Jeremiah 41:5
eighty men who had shaved off their beards, torn their garments, and cut themselves came from Shechem, Shiloh, and Samaria, carrying grain offerings and frankincense for the house of the LORD.