One of the things I've read about in the baby books is how kids learn how to "self sooth".  They find something that they can do that calms them down, and somehow anchors them.  For some kids it's sucking their thumb (or fingers, like Tyler), for others it's twirling their hair or rocking back and forth, etc..  One of Tyler's self-soothing techniques is what we've come to call "the toe thing".  He will take his stuffed animal, usually the ear or tail, and rub it between his toes.  If his toes aren't easily evailable for some reason, he will rub it on his ear or cheek.  It's seems a little strange, but it certainly seems to work for him!

I managed to catch him in action one day:
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