2 Samuel 20:8

And when they were beside the great stone, which is in Gibeon, Amasa came to meet them. Now Joab was wearing a close-fitting coat of equal length with his garment. And over these, he was girded with a sword hanging down to his thigh, in a scabbard which was made so that the sword could be removed with the least motion, and then strike

Other versions

King James Version

When they were at the great stone which is in Gibeon, Amasa went before them. And Joab's garment that he had put on was girded unto him, and upon it a girdle with a sword fastened upon his loins in the sheath thereof; and as he went forth it fell out.

English Standard Version

When they were at the great stone that is in Gibeon, Amasa came to meet them. Now Joab was wearing a soldier's garment, and over it was a belt with a sword in its sheath fastened on his thigh, and as he went forward it fell out.

New International Version

While they were at the great rock in Gibeon, Amasa came to meet them. Joab was wearing his military tunic, and strapped over it at his waist was a belt with a dagger in its sheath. As he stepped forward, it dropped out of its sheath.