Exodus 28:7

28:7 It is to have two shoulder pieces attached to two of its corners, so it can be joined together.

Exodus 39:4

39:4 They made shoulder pieces for it, attached to two of its corners, so it could be joined together.

tn Here the Pual perfect with the vav (ו) consecutive provides the purpose clause (equal to a final imperfect); the form follows the use of the active participle, “attached” or more Heb “joining.”