To wrap oneself in sackcloth

To wear clothes that are worn out. In the question: Did you

He wrapped himself in sackcloth as a sign of mourning and despair.("Therefore they girded themselves with sackcloth, mourned, and mourned all night, because the wrath of the Lord did not turn away from them" - Jeremiah 4:8, and so: "In how many congregations are there where the little ones sit in the place of the great, and the great are pushed aside by the little ones, and the Torah girded itself with sackcloth because of its shame" - Agnon/ City and Fullness, 558)

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