Product review (3 stars): The elbow's connected to the ulnar nerve.
These clamps need some patience to put on. Patience, swearing, and acetaminophen afterwards. One side's easy to connect because you are not squeezed into a space close to the wall yet. The screws have to go on in a certain direction or they'll just pop open again, and you have to be able to squeeze the clamps shut at an ideal angle to screw the sucker shut or else that screw ain't moving. If you're working with plenty of space that's not a big problem. Once you're ready to connect the other side though, that is where the fun begins. Have you ever tried to climb over a dryer in a very tight space? I don't recommend it. If I had to do it all over again I'd get the worm type of clamps instead. These are alright once they're on, though.