Instruct: Classify a review as either positive or negative.
Query: Disappointing

I bought this attachment with high hopes that it would give me a nice, clean, edged driveway and sidewalk with little effort. It did neither. Like someone else mentioned, it vibrated. A lot. And for what? The only difference I could see was dirt that had been thrown up onto my driveway. I've had better luck just turning my trimmer to the side. I ended up returning this item.