Exodus 37:3

And they made the veil of blue, and purple, and spun scarlet, and fine linen twined, the woven work with cherubs.

And he cast for it four rings of gold, to be set by the four corners of it; even two rings upon the one side of it, and two rings upon the other side of it.

He cast four rings of gold for it in its four feet—two rings on its one side, and two rings on its other side.