You put a lid on a dish you're cooking, made up of the mouths and foreheads of a pig. Unknown to most, these are the juiciest, most delicious parts of a pig. And dang, they are the most luxurious, too.
Luxurious pig mouth forehead soup is a favorite of Grandpa Koichi (ごういち). You see him sniffing around your window, then he knocks and waves.