They made two gold rings below the molding – two on each of the opposite sides – to hold the poles used to carry it.
NIV
And he made two rings of gold for it under its rim, on its two opposite sides, as places for the poles [to pass through] to carry it.
AMP
And he made two rings of gold for it under the crown thereof, by the two corners of it, upon the two sides thereof, to be places for the staves to bear it withal.
KJV