The divine command to remove the Sinai ornaments came with a startling explanation. Targum Pseudo-Jonathan, the Aramaic paraphrase of the Torah, gives the measure in a single chilling phrase.
"Speak to the sons of Israel: You are a hard-necked people. Were the glory of My Shekhinah to go up with you, in chada sha'ata zeirta - in one little hour - I should destroy you. Now put your accustomed ornaments from you, that it may be manifest before Me what I may do to you" (Exodus 33:5).
One little hour. That is how long, the Targum says, Israel could survive the full Presence before collapsing under it. The Shekhinah is not dangerous because God is cruel. It is dangerous because a camp still capable of bowing to a calf cannot sustain the proximity of absolute holiness. The gap between who they are and what they stand near would consume them.
Remove the ornaments, God says, and we will see. Show Me what you do without the Name on your bodies. Show Me whether you can be Israel in the bareness.
This is teshuvah stripped to its essentials. Not fasting. Not liturgy. Just removal. Stand before God without the decorations and let your choices, in that bareness, testify.
Takeaway: Sometimes God strips us of the ornaments not to punish but to test. What remains when the Name is removed from your skin is who you really are.