Which is to say that the sock is called a “shoe” because it covers the man completely, so if it breaks and something appears on the leg, he wipes over what is visible of it and wipes over the sock, and that is since it is called a sock, this condition must be fulfilled, and there is a wondrous secret for the discerning and correct person. The sock is what is hidden. It also appears that Imru' al-Qais said ,

Hide them from their tunnels,

That is, make them appear and show them .