They made fifty gold hooks to join the two curtains together so that the Holy Tent was joined together as one piece.
“Make for the Holy Tent ten curtains of fine linen and blue, purple, and red thread. Have a skilled craftsman sew designs of creatures with wings on the pieces of cloth.
And make fifty gold hooks to join the two sets of curtains so that the Holy Tent is one piece.
So then there are many parts, but only one body.