It's a beast!
It was delivered right to my house along with a CPM (continuous passive motion) machine.
I'll be wearing the brace locked in full-extension for a couple of weeks (or until I see my surgeon after the surgery.)
Apparently you have to force your knee straight or scar tissue could develop and keep you from ever straightening your leg again!
I'm probably spreading a lot of mis-information here. Don't take my word on anything I say. It's all hearsay and filtered through sheer terror.