Exodus 26:4
And thou shalt make loops of blue upon the edge of the one curtain from the border in the coupling; and likewise shalt thou make in the uttermost edge of another curtain in the coupling of the second.
Exodus 26:5
Fifty loops shalt thou make in the one curtain, and fifty loops shalt thou make in the border of the curtain that is in the second coupling; that the loops may take hold one of another.
Exodus 26:10-11
And thou shalt make fifty loops on the edge of the one curtain from the border in the coupling and fifty loops in the edge of the curtain which couples the second.
Exodus 36:11-12
And he made loops of blue on the edge of one curtain in the border in the coupling; likewise he made in the border of the second curtain in the coupling.
Exodus 36:17
And he made fifty loops upon the edge of the uttermost curtain in the coupling, and he made another fifty loops upon the edge of the other curtain in the coupling.