 Okay. So to cover that entire area of cement, I would try that. And I use the word try and emphasize it because if you're not there to show your dog what to do, your dog doesn't know what to do. So when we talk about house training dogs, for example, the rule is to go out with your dog, reward your dog at the right time. You've heard this all before and probably did this yourself when you house trained your dog.