it s not as efficient as a spinning brush attachment [SEP] it s not as efficient as a spinning brush attachment i got both bc i m desperately swimming in dog hair maybe she s got a medical problem but it s really bad she hates this on because it s so scratchy it s a cool idea but she is happier with the spinning rubber tooth attachment it s louder and harder to use bc it doesn t fit my vacuum but it s so much more effective half of a vacuum was filled up idk if my shepard is going bald or not she needed a serious solution