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This was recommended to me on Prime days, and I debated long and hard whether to get it. Seemed like a lot of money for just another gadget to remove cat hair, but the reviews were so positive that I decided to give it a try. All I can is that I'm thinking about buying more for all my family members who have pets. This thing is amazing! I went to the cats' favorite recliner, which no one wants to sit in because it is always so matted with cat hair, and started "chomping." Let me say that I vacuum this chair regularly using the pet hair attachment, and it takes me a good 10 minutes to get the chair serviceable, but I've never been able to get it all. Within 30 seconds of "chomping" I had the seat looking almost like new, and the roller was full. Popped it open, cleaned out the hair (so quick and easy!), started again. Took me less than 5 minutes to do the entire chair, including cleaning the roller 3 different times, and it even got down in the creases better than I expected - definitely better than the vacuum cleaner. This gadget now has a permanent home right by the front door so we can quickly clean cat hair off anything in the living room at any time (especially handy for unexpected guests). I will note that we own 2 cats, one short hair and one medium hair, so we don't have the same issues as long-haired cats, but I don't think short hair is any easier to clean than long hair, just not quite as obvious. If you are on the fence about this thing, go ahead and get it. It works so well that I would pay full price if I had to!