Bible Verses About Sackcloth: By persons in affliction

And in the four and twentieth day of the month the children of Israel came together with fasting and with sackcloth, and earth upon them.

I made sackcloth also my garment; and I became a proverb to them.

And the men of Ninive believed in God: and they proclaimed a fast, and put on sackcloth from the greatest to the least.