I am giving it 5 stars because it does well on long thick hair. On short, medium and thin hair it did nothing. On my two with long and thick hair, it was a major success and outperformed other tools and brushes.

I just brushed our Shetland Sheepdog yesterday. This deshedding tool came in the mail today. I thought I would give it a try not expecting I would get much more fur because I had just brushed her yesterday. You could have made a puppy with what I took out

This is the best brush ever.does not irritate skin,demats quick & easy