Read Jeremiah 13:4 Using Other Translations
Take the girdle that thou hast got, which is upon thy loins, and arise, go to Euphrates, and hide it there in a hole of the rock.
"Take the loincloth that you have bought, which is around your waist, and arise, go to the Euphrates and hide it there in a cleft of the rock."
“Take the linen loincloth you are wearing, and go to the Euphrates River. Hide it there in a hole in the rocks.”