Mechanical Pulley Mechanism: Uses a multi-point drawstring system based on a compound pulley structure. This design multiplies your pulling force, providing deep intra-abdominal decompression and structural support with very little physical effort.Contoured Lumbar Plates: Two rigid, ergonomic posterior panels mirror the natural curvature of the spine to stabilize the lumbar region (L1 to S1 vertebrae).Breathable Mesh Construction: Made from lightweight, 3D ventilated mesh panels to prevent sweating and skin irritation during long periods of sitting, walking, or lifting