'Sackcloth' in the Bible

And it hath been, instead of spice is muck, And instead of a girdle, a rope, And instead of curled work, baldness, And instead of a stomacher a girdle of sackcloth.

In its out-places they girded on sackcloth, On its pinnacles, and in its broad places, Every one howleth -- going down with weeping.

at that time spake Jehovah by the hand of Isaiah son of Amoz, saying, 'Go, and thou hast loosed the sackcloth from off thy loins, and thy sandal thou dost draw from off thy foot,' and he doth so, going naked and barefoot.

And call doth the Lord, Jehovah of Hosts, In that day, to weeping and to lamentation, And to baldness and to girding on of sackcloth,

And it cometh to pass, at the king Hezekiah's hearing, that he rendeth his garments, and covereth himself with sackcloth, and entereth the house of Jehovah,

and sendeth Eliakim, who is over the house, and Shebna the scribe, and the elders of the priests, covering themselves with sackcloth, unto Isaiah son of Amoz the prophet,

I clothe the heavens with blackness, And sackcloth I make their covering.

Like this is the fast that I choose? The day of a man's afflicting his soul? To bow as a reed his head, And sackcloth and ashes spread out? This dost thou call a fast, And a desirable day -- to Jehovah?