Cross reference
Deuteronomy 23:13
13 And thou shalt have a paddle upon thy weapon; and it shall be, when thou wilt ease thyself abroad, thou shalt dig therewith, and shalt turn back and cover that which cometh from thee:
Ezekiel 24:6-8
6 Wherefore thus saith the Lord GOD; Woe to the bloody city, to the pot whose scum is therein, and whose scum is not gone out of it! bring it out piece by piece; let no lot fall upon it.
7 For her blood is in the midst of her; she set it upon the top of a rock; she poured it not upon the ground, to cover it with dust;
8 That it might cause fury to come up to take vengeance; I have set her blood upon the top of a rock, that it should not be covered.