I opened the package and read the directions. Step one was to press the button and extend the foot holders. As I did that, a plastic washer broke into two pieces and fell onto the bed. One set of foot supports now spin around freely, making them unstable and unusable. Returning the item.Also, this device is not suitable for people over size 8. It's made for tiny, skinny people. The handles do not open wide enough for anyone who is even slightly plump. I do not recommend this device at all for "normal" people.