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Title: Not for flat surfaces
Review: The rigid,saddle shaped washing surface is not suitable for washing flat surfaces. There is a 1 inch depression in the middle which means only the edges make good contact with the surface that you are washing. Even on a curved surface, the head does not swivel, which means you constantly are trying to adjust the stick angle to get better contact of the mop head with the surface you are washing, and it darn near impossible. This all requires much more effort than using a plain sponge, or my favorite car washing tool, a shaggy mitt with nylon mesh on the other side. I have used the Wash Stick twice on my car and will not use it again. This tool would be much improved if the head were flat instead of concave.
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