Can You Use Coconut Oil As Anal Lube? MysteryVibe Why does my cat shake her tail like this? : r cats You asked and we picked one question to answer this week: "Why does my cat shake her tail like a rattlesnake?" We've got the answer below from behavior professional K Madison Chinchilla Cat Description, Grooming, Colors, Traits and History PetGuide PetGuide What Can You Use Instead of Lube? Cat's tail vibrating or "rattlesnake tail" as we have called it : r cats