A month ago, when I started using HiZoo, I was a little scared because it's a very strong machine! But I adapted my body to it, choosing the best position, and I started to feel the benefits. In the first week, my shoulders and neck felt lighter than I could remember ever feeling. I'm very confident about the benefits of continued use; my whole family suffers from neck and shoulder pain, which is extremely stiff and causes us constant headaches and back pain. As for the quality, I can't believe ...