Double Wheel Exerciser for Core, Abs, Arm, and Back Muscle Training.
 
Core Strength for Tight Abs - Effectively build up abdominal muscles, arm, shoulder, and back muscles
The wheel workout helps improve firmness and strength of your upper body and arm muscle - These run around our entire torso, including along our sides and lower back. When strengthened, they act like a corset of muscle pulling everything in.
workout for chest, back, lats, shoulder, biceps, triceps, wrists, arms, and grips.
Double Exercise Wheel is designed with dual wheel, which allows the user to maintain better balance