The screw is protruding, it doesn't affect anything. I've attached the picture for credibility. The Orbitrek helps with weight loss because it burns calories during exercise and engages many muscles in the body such as the legs and arms. Benefits: * 🔥 Burns fat and calories. * ❤ Improves fitness and heart health. * 🦵 Strengthens leg and glute muscles. * 💪 Engages the upper body with the arms. * 🦴 Less impact on joints compared to running. Approximately: * 30 minutes of moderate exercise may burn 200–400 calories depending on your weight and exercise intensity. * For best results, use it for 30–60 minutes most days of the week while reducing high-calorie food intake.