Today in things we didn't know we needed until right now: Reversible Pet Bow Ties from UK e-commerce store Firebox. They run about $15 each (£9.99) and they fit dogs, cats, and any other household animal with a discernible neck measuring between 7 and 11 inches around (probably not fish).
The e-comm site also, helpfully, delineates three good reasons for buying this bow tie. They are:
1. Increase elegance and intelligence of your pet
2. Coolidge's Dogs Playing Poker series is a landmark in fine art
3. Polka dot or black tie.
Welp. Those are reasons enough for me!
Here's the reversible-ness, demonstrated, very important: