Cheaply made and overpriced.
Poor quality materials and construction.  I wanted to return it, but as I have limited mobility, the time had run out by the time I could repackage and drop it off at UPS.  I now agree with other reviewers that you should not buy these kinds of critical items online without trying them on and checking the quality.  This one would not hold together and could have further torn my knee ligaments, causing the need for additional surgery.  Do not waste your money.
Rating: 1 stars