For Moses had said, Consecrate yourselves to day to the LORD, even every man upon his son, and upon his brother; that he may bestow upon you a blessing this day. For Moses had said, Consecrate yourselves - Fill your hands to the Lord. See the reason of this form of speech in the note on Exodus 29:19 (note).
Related Commentaries of Exodus 32:29
Exodus 32:29
29 For Mosesb had said, Consecrate yourselves to day to the LORD, even every man upon his son, and upon his brother; that he may bestow upon you a blessing this day.