Or go here: https://youtu.be/bBSBIg8sPTM
This video was taken in 2014, but I have dozens of images of The PO'M rolling back and forth like this. If you are of a certain age, you may recall toys that came out a LONG time ago, that rock on their base but don't topple over. They are called 'Weebles'. That's my Paddy!
Random fact: The last scene from the film, "Throw Momma From The Train", starring Billy Crystal and Danny DeVito, Billy's character Larry makes fun of Danny's character Owen, calling him a 'weeble'. So there!