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Title: Kinda Scary
Review: I bought two of these - and they:1) don't stay in place2) it is hard for me to line up and drive directly over them3) the bump are pretty substantial to drive over (feels like I ran over an animal)Reasons why it doesn't work for me:1) drive a small front wheel drive car2) Wheels are small3) concrete floors are smooth and dustyoveral i feel like these either don't work or i am just using them wrong..
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