Elbow Support Automatic Rebound Abdominal Wheel,Ab Roller for Abdominal Exercise Machine,Dolly Core Strengthening Trainer Fitness Belly Training Ab Roller

ab roller has a revolutionary automatic rebound design with intelligent auxiliary brakes and a built-in brake system for smoother and more controlled steel rebound.
2-in-1 Abdominal Exercise Machine has a scientifically designed ab roller with 5 anti-slip layers for noise reduction, shock absorption, and wear resistance.
ab roller has a double widen wheels design that increases the wheelbase and contact area with the ground, reducing lateral sway and providing stable and safe workouts.