Ⅰ. It can be used on the floor, on the bed, or on a chair. Ⅱ. Years of hard work, long-term sitting, and poor posture may put harmful pressure on your spine. This could cause your intervertebral discs to shift, compress nerves, and subsequently lead to severe pain in the neck, lower back, and legs. Ⅲ. Prevent further damage and correct your posture. - By simply lying on the "Refresh" stretcher for about 10 minutes every day, you may gradually address the root cause of discomfort by gently stretching your back and relieving pressure on the spine, allowing the protruding or herniated intervertebral discs to retract and repair. - Stretching your neck with the "Refresh" stretcher may reduce tension headaches and migraines. - It may naturally restore the optimal curvature of the spine and train your muscles to maintain a healthy posture over time, thereby eliminating pressure on key parts of the torso. Ⅳ. A version of the "Refresh" neck and back stretcher. - It may eliminate harmful pressure on the spinal nerves, giving you a relatively healthy and pain-free back. Ⅴ. When shopping, please pay attention to the product's size specifications to ensure they meet your needs. In the title and description, we have provided detailed information about the product, including its features and specifications. Ⅵ. We hope you are satisfied with this purchase. So, if you have any questions or concerns, please feel free to contact us. We will serve you and do our best to provide assistance. Ⅶ. Thank you for choosing our product. We hope you like it.