Maybe he has a treadmill sideways against the refrigerator door, so when it goes forward or backwards it opens/closes the door. And each shelf in the refigerator has a tiny treadmill on it so it dumps everything onto the big treadmill when it turns on. And all of the treadmills are remote controlled.
Maybe he has a treadmill sideways against the refrigerator door, so when it goes forward or backwards it opens/closes the door. And each shelf in the refigerator has a tiny treadmill on it so it dumps everything onto the big treadmill when it turns on. And all of the treadmills are remote controlled.
https://xkcd.com/1109/