This is a continuation from Ear 2.
Place a stitch marker when you start R21 to mark that round. R21 is where you will place the eyes. (optional)
You can watch this video, as an example, to see how I stitched on a smile:
Tutorial on How To Close An Amigurumi Piece: https://yarnsociety.com/tutorials/how-to-close-an-amigurumi-piece