I'm all about the bizarre holidays on PetSugar, especially when I can find a teeny tiny thread to tie them to something animal-related. Such is the case with today's marking as National Hat Day. Don't just don a silly cap when you leave the house, consider letting your furry friend get in on the
embarrassment fun. I've spotted some of the warmest and wackiest pet-sized hats so check the spirit out in a widget when you read more.