I love it for the very specific area it focuses on, the center of the chest. BUT if the center plastic piece were doubled I could hook the back of the bands in the center use it with the tension in the opposite direction, providing the same specific target for the center of my BACK as well, doubling the utility. It is constructed with great quality and could handle the modification I am suggesting. Can I get a second center piece and I can mod it to try? Thank you.