The ears know how to do this thanks to their ability to read your brain waves. There are sensors on the headband that rest on your forehead, as well as a clip for your left ear.

Well, girls, you no longer have to wait until Halloween to put on a pair of bunny or cat ears, because your favorite stores are selling headbands with ears as we speak, as regular hair accessories ...

Mokalina Rhinestone Cat Ears Headband . $4 at Amazon. Credit: Amazon. Here's a sparkle-friendly option for cat ears that will actually arrive in time for Halloween with a Prime membership.

There were local rescues and charities, people wearing feline ears, T-shirts with cat faces, and cat-patterned bags. That’s not to mention the actual cats, which were everywhere.