Where it appears

• Lev 13:45“The leper in whom the plague is shall wear torn clothes, and the hair of his head shall hang loose. He shall cover his upper lip, and shall cry, ‘Unclean! Unclean!’
• 2 Sam 19:24Mephibosheth the son of Saul came down to meet the king; and he had neither groomed his feet, nor trimmed his beard, nor washed his clothes, from the day the king departed until the day he came home in peace.
• Ezek 24:17Sigh, but not aloud, make no mourning for the dead; bind your headdress on you, and put your shoes on your feet, and don’t cover your lips, and don’t eat men’s bread.
• Ezek 24:22You shall do as I have done: you shall not cover your lips, nor eat the bread of men.
• Mic 3:7The seers shall be disappointed, and the diviners confounded. Yes, they shall all cover their lips; for there is no answer from God.”