וְיִֽהְי֣וּ תֹֽאֲמִים֮ מִלְּמַטָּה֒ וְיַחְדָּ֗ו יִהְי֤וּ תַמִּים֙ עַל־רֹאשׁ֔וֹ אֶל־הַטַּבַּ֖עַת הָאֶחָ֑ת כֵּ֚ן יִהְיֶ֣ה לִשְׁנֵיהֶ֔ם לִשְׁנֵ֥י הַמִּקְצֹעֹ֖ת יִהְיֽוּ׃
And they shall be double beneath, and in like manner they shall be complete unto the top thereof unto the first ring; thus shall it be for them both; they shall be for the two corners.
Read halakhic rulings (Jewish law) on Exodus 26:24: and classical halakhic sources.