Based on available public records and film archives, there is no widely recognized production house or individual under the specific name "Ruby Eaton" associated with a series titled "Fetish Fun Films" in the mainstream or well-documented underground film industry.

In a Garden of Tin Men: Marion Eaton (1932–2011) Remembered

If you are looking for a specific archival collection or a series by a modern independent creator, I recommend checking niche community forums or specialized underground film archives.