Exodus 36:11-13

New International Version

¹¹ Then they made loops of blue material along the edge of the end curtain in one set, and the same was done with the end curtain in the other set. ¹² They also made fifty loops on one curtain and fifty loops on the end curtain of the other set, with the loops opposite each other. ¹³ Then they made fifty gold clasps and used them to fasten the two sets of curtains together so that the tabernacle was a unit.^(A)