Instruct: Classify a given Amazon review as either positive or negative.
Query: Poor design, poor performance

I purchased this item January 2010. I threw it away April 2010. From the first time I used it, I found the measuring cup difficult to adjust and difficult to read. The flexible rubber gasket that is attached to the inner tube is wide enough to hinder accurate reading and makes adjustment difficult. I followed the manufacturer's instructions, applying a thin film of oil to the gasket, but that only helped slightly. I started washing it by hand, hoping that would be easier on the gasket, but again, it only helped slightly. After less than three months use, the rubber gasket started ripping away, so now it leaked when used with liquids. Hard to adjust, hard to read and and not worth the money.