וְאֵ֨ת שְׁתֵּ֤י קְצוֹת֙ שְׁתֵּ֣י הָֽעֲבֹתֹ֔ת נָתְנ֖וּ עַל־שְׁתֵּ֣י הַֽמִּשְׁבְּצֹ֑ת וַֽיִּתְּנֻ֛ם עַל־כִּתְפֹ֥ת הָאֵפֹ֖ד אֶל־מ֥וּל פָּנָֽיו׃
And the other two ends of the two wreathen chains they put on the two settings, and put them on the shoulder-pieces of the ephod, in the forepart thereof.
Read midrashic interpretation of Exodus 39:18: and classical rabbinic exegesis.