Specialized Center Spine Channel for Deep Back Opening
Designed specifically for upper back stiffness and thoracic mobility. Deep center gap isolates paraspinal muscles while keeping direct pressure off the spinous processes.
Key Features:
Center Spinal Gap: Protects spine bones while digging deep into tight rhomboids and upper traps.
Deep Ridge Bumps: Delivers concentrated trigger point release along shoulder blades.
Heavy Load Capacity: Supports up to 450 lbs for deep thoracic extension stretches.
