1.Double excellence: This waist twist board is ingeniously equipped with a balance board, precision ball bearings and foot massage modules, so that you can enjoy the fun of waist twisting while enjoying foot massage at the same time, effectively promoting blood circulation and significantly improving the effectiveness of exercise. 2. waist shaping adjustment: With flexible resistance adjustment function, you can ly set the resistance size according to your own twisting amplitude. The larger the twisting amplitude, the higher the resistance, which perfectly adapts to the needs of different training stages and helps you shape a slender and charming waist and abdomen line. 3.Sturdy and durable quality: Different from the common plastic waist twisting equipment on the market, our waist twister is carefully made of high-quality carbon steel and high-strength ABS materials, adopts a stable triangular structure design, has excellent anti-slip performance, and has a maximum load-bearing capacity of up to 220 pounds. It is durable and trustworthy. 4.Smooth and silent experience: The built-in silent track design allows you to do waist shaping exercises at home anytime and anywhere without worrying about the noise affecting others. The sliding mechanism is embedded with high-speed bearings to ensure that the twisting process is smooth and smooth without any sense of jamming.