פּירוש אויף שמות 28:32

וְהָיָ֥ה פִֽי־רֹאשׁ֖וֹ בְּתוֹכ֑וֹ שָׂפָ֡ה יִֽהְיֶה֩ לְפִ֨יו סָבִ֜יב מַעֲשֵׂ֣ה אֹרֵ֗ג כְּפִ֥י תַחְרָ֛א יִֽהְיֶה־לּ֖וֹ לֹ֥א יִקָּרֵֽעַ׃

און זײַן עפֿענונג פֿאַרן קאָפּ זאָל זײַן אין זײַן מיטן; אַ זױם זאָל זײַן בײַ זײַן עפֿענונג רונד אַרום, װעבאַרבעט; אַזױ װי די עפֿענונג פֿון אַ פּאַנצערהעמד זאָל זײַן בײַ אים, ער זאָל זיך ניט צערײַסן.

Tiferet Shlomo

....THE EDGE FOR THE OPENING etc. The hint here is that one's prayer should always be regarding the bitter exile of the Shekhinah (from which we should be quickly saved). The language from our mouths should be continual prayer regarding the pain of Shekhina's exile.
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Rashi

והיה פי ראשו AND THE HOLE IN THE HEAD OF IT SHALL BE — the hole of the Robe which is at its top — that is, the opening which serves as a receptacle for the neck,
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Chizkuni

בתוכו “inside it,” i.e. in its center. Compare to what the Torah wrote in Genesis 2,9, about the tree of life and the tree of knowledge of good and evil.
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Rashi

בתוכו IN THE MIDST THEREOF — Understand this as the Targum renders it: כפיל לגויה “turned in towards the inside” — the turn-in shall serve as its seam. It was weaver’s work (woven as such with the Robe) and not made with a needle.
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