I need to know if this really works.

jokes on you, my cat already gags like this every day except his food also comes out and it's on the carpet

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My cat just gave me his "I don't know what you're doing, and I don't care" look when I tried it, so... it's not universal. 😉

Tried it on my daughter’s cat, nothing. Fuck I was really hoping to torment the little shit for fucking up my furniture. 😂

It doesn't work with our two cats.

Nope. Tried two cats, two combs. They looked at me like I was insane, but zero gagging!

MAN I JUST DID THIS TO MY CATS AND IT DID NOTHING

Someone go test on a lion or tiger, oh my…

This actually does bother most cats. It has to do with their sensitive hearing and the frequency, pitch the comb makes. It messes with their inner gyro and makes them sick. It can also cause hearing damage. It's about the same to us as listening to heavy metal live for 12+ hours

pinky in the rear does the same