Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Worse than a bad haircut!

I was excited to use this brush on my Golden retriever. I started at the shoulders like is said to do. My dog didn't mind the brush at all. Just after a few strokes I examined her hair and to my horror Her coat was ruff, course and shred, the soft under coat and the gaurd hairs torn up. I returned it then and there. Her coat has not recovered in the areas I used this tool on and it has been over a year since the horrific incident!Worse than a bad haircut! A year later still in recovery :(