וַיִּרְכְּס֣וּ אֶת־הַחֹ֡שֶׁן מִטַּבְּעֹתָיו֩ אֶל־טַבְּעֹ֨ת הָאֵפֹ֜ד בִּפְתִ֣יל תְּכֵ֗לֶת לִֽהְיֹת֙ עַל־חֵ֣שֶׁב הָאֵפֹ֔ד וְלֹֽא־יִזַּ֣ח הַחֹ֔שֶׁן מֵעַ֖ל הָאֵפֹ֑ד כַּאֲשֶׁ֛ר צִוָּ֥ה יְהוָ֖ה אֶת־מֹשֶֽׁה׃
청색 끈으로 흉패 고리와 에봇 고리에 꿰어 흉패로 공교히 짠 에봇 띠 위에 붙여서 에봇을 떠나지 않게 하였으니 여호와께서 모세에게 명하신 대로 하였더라
Mishneh Torah, Negative Mitzvot
Not to compound aught after the formula of the incense, as it is said, “…. ye shall not make unto yourselves according to the composition thereof” (Ex. 30:37).
Mishneh Torah, Negative Mitzvot
That the breastplate shall not be loosened from the ephod, as it is said, “That the breastplate be not loosed from the ephod” (Ex. 28:28).