i have been using the McKenzie Night Roll for 10 years to relieve my lower back pain and it really works! I have collapsed or bulging discs in L1 – L5. I can not sleep comfortably through the night without it. With it, I wake in the morning with considerably less lower back pain. Without it, I am struggling to move about.

I strongly recommend this item to anyone who has the problems I have with lower back pain.

Like many other back-pain sufferers, I’ve dropped a lot of coin on all sorts of medicines, gadgets, etc. and I decided to take a chance on this due to the back pain I get each morning upon awakening. The product itself is ok and does what it says, but just know that this is one of those things that will take some getting used to. Sleeping with something wrapped around your waist all night is not easy to stick with, but I can say that I notice some relief when I first lay down because it keeps my back from sagging down into the mattress. Like a lot of other things – it is hit or miss. I will keep it, but I’m not sure I’ll always use it.

Edit Nov 16, 2012: Changing my review because I got a new McKenzie Night Roll to replace the one I got a few years ago. I do NOT recommend this product at all.

This new model stinks. It has about half the heft of the original product and flattens to almost nothing, so there’s no support.
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Rec’d this yesterday, used it last night. It stayed in place while I slept. The back support kept me comfortable. This morning, I got out of bed for the first time in years without struggling or pain.