Review on 🐱 PUPTECK Calming Collar for Cats and Small Dogs - 15inch, Purple: Safe, Long-Lasting Anxiety and Stress Relief, Canine and Feline Calm Protective Collar for up to 60 Days by Denise Rose

Put this collar on my very nervous 2 year old. old cat and it was an instant improvement. She would fight with her brother, hissing, snarling, and generally hurting him. After I put this on her there were no more fights and last night they even slept next to each other on our bed! I also put one on my ten-year-old dog and she became considerably softer. She's always been a very nervous girl, but so far it's helping. She allowed my sister-in-law to pet her (which she doesn't usually do) and even started to purr. Try it. Hope this helps in your situation too.