 So be aware. And if you're a dog trainer that is when people tell you, my dog does, he pulls on the leash and you're thinking, well, I can fix that with a prone collar. He does this. I can fix that with the e-collar. I can fix this with correction. I'm going to challenge you to try to fix that with a yes instead of a no. Jonathan Katz taught me that. Jonathan Katz has a clicker literally tattooed in his palm.