I have two bad knees—one that required a complete patella reconstruction, including removal of a significant portion of the patella many years ago, after being hit head-on by a drunk driver. Just recently, and quite suddenly, I started to experience severe knee pain from my other knee. The orthopedist diagnosed it as severe arthritis, perhaps/probably requiring a knee replacement, which might be the only useful option.Over the years I’ve tried many straps and elastic braces, none of which helpedSee full review