Moses
Exodus 33:6BSB·traditional attribution

So the Israelites stripped themselves of their jewelry from Mount Horeb onward.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. The message which God sent by Moses to the children of Israel, signifying the continuance of the displeasure against them, and the bad terms they yet stood upon with God. This he must let them know for their further mortification. 1. He applies to them a mortifying name, by giving them their just character - a stiff-necked people, Exo 33:3, Exo 33:5.

Commenting on Exodus 33:1-6

John Gill Reformed Baptist @doctorgill

And the children of Israel stripped themselves of their ornaments,.... Such as before described, and this they did: by the Mount Horeb; before their departure from thence, and where they had been guilty of the idolatry: the words may be literally rendered, "from Mount Horeb" (u); and Jonathan understands the preceding clause of something they put off which they received from thence; but the meaning...

Keil & Delitzsch Lutheran @keilanddelitzsch

Exo 33:6 And the people obeyed this commandment, renouncing all that pleased the eye. “The children of Israel spoiled themselves (see at Exo 12:36) of their ornament from Mount Horeb onwards.” Thus they entered formally into a penitential condition. The expression, “from Mount Horeb onwards,” can hardly be paraphrased as it is by Seb.