TYPPKMM 4-Level Back Cracker ABS Spine Alignment Massager, Blue

TYPPKMM 4-Level Back Cracker & Spine Alignment Massager (ABS Plastic) measures 15 x 9.8 x 1.6 inches and weighs just 0.44 ounces. Four height levels offer light daily support to deep therapy for alignment, flexibility and stress relief. Its massage surface targets paraspinal muscles for combined decompression and muscle relief. The ultra-slim profile allows discreet storage, while ABS rigidity maintains its arch under body weight. Daily use improves posture, eases sciatic pain and restores the natural lumbar curve damaged by prolonged sitting.