Abdominal 4 Wheel Roller. Perfect Balance

Automatic Rebound Abdominal Wheel, Ab Roller with Elbow Support for Core Workout Anti Slip: Rebound abdominal wheel with 5 layers of slip proof materials, including an anti skid layer, reinforcement layer, shock absorbing layer, noise reducing layer. Automatic Rebound: Abdominal wheel adopts the latest automatic rebound technology, featuring an intelligent auxiliary brake and built in brake system, for smooth and efficient steel rebound.