Hibachi Grill Plumbing
When you read a Reddit comment that creates confusion while also bringing back memories of going to a Hibachi restaurant with your family and having the curiosity of "Where the hell does all that food go when he pushes it into that hole?" right after the chef makes the onion train.
The interview with the manager was great! However, some of the questions he asked made me feel like I was look at Hibachi grill plumbing.