¹ sn This may refer to a literal insignia worn by the chief administrator. Even so, it would still symbolize the administrator’s authority to grant or exclude access to the king. See J. N. Oswalt, Isaiah (NICOT), 1:422.

¹ sn Several commentators point out the irony of the snake slithering away (or hissing away) in retreat. The coiled serpent was a part of the royal insignia, signifying Egypt’s readiness to strike. Pharaoh had boasted of great things (v. 8) but was just a big noise (v. 17); now all he could do was hiss as he beat his retreat (v. 22).