Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Completely unuseable for me

I purchased this exact knee pillow elsewhere and had high hopes of it helping. It does not stay in place well, despite the strap, and it is hard as a rock. The "scoop" also did not fit my larger leg and it is way too thick, considering that it is not cushy at all. I pawned it off on my hubby who has smaller legs and knees thinking he would like it. He couldn't use it either. Just too hard. I would recommend looking for one that is made of poly fill or memory foam, as this high density foam version has "sharp" edges and is painful.As a side note, I moved it down to just above my ankle and was able to use it there without pain. However, the strap does not adjust that small so it wouldn't stay in place.