He's obsessed with his feet. Even when he is crying he has to hold them. Somewhere in the back of my mind, that Depeche Mode song is on repeat.
By the way, Parker is officially teething and grumpier than ever. Poor guy and poor mommy! Now I understand what nipple-lash is.
[You have to listen to the song and look at the photos to get the full effect. I wish I knew how to make a GIF.]