Great news and very unexpected! Prior to this, Universal only released it as part of their "Vault Series" DVD-R series and it isn't available digitally.
From Shock Cinema website:
https://www.shockcinemamagazine.com/kitten.html
From Scenes From The Morgue website:
https://scenesfromthemorgue.wordpres...n-with-a-whip/
From John Forsythe's Facebook page:
https://www.facebook.com/johnforsyth...6361101775497/
From IMDb:
https://www.imdb.com/title/tt0058267/mediaindex