Help : Trying to find info and identify lawn aerator

[mkt]

Some years ago I saw an Aerator that worked off a 3 point hitch that had a "pipe" about 8" in diameter and looked very much like a Harley Rake.
The PTO would make the carbide spikes go east to west when the tractor was moving north or south.
It basically disturbed the soil and loosened it up. NOT like a core aerator...

Anyone know the brand / type of this attachment?
Thank you!!

 

[joecdeere]

sounds like the Aero-vator, they make them in walk behinds, three points, and to fit things like the Ventrac in this quick video
YouTube

 

[mkt]

Thanks joecdeere. That is close but not exactly what I saw.
The complete bottom section went side to side. I've only seen this type of machine running two times... Appreciate your reply!! Ill keep looking. Thanks