Well apparently first time there was a fluke. Took my shih-tzus back. Granted they were matted and needed to be shaved. But I got them back and they did a horrible job on one of them. But my problem is they were groggy for the rest of the day like they had been sedated or something. Later that evening they started getting back to their normal selves. For dogs that are constantly happy and running around....it makes me wonder. My son is extremely upset of how the ladies talked to him about his dog and refuses to take his dog back.i may be wrong about sedating them but if you are going to - you need to get permission from the owner.