Here is another exercise tool that helps you further strengthen your core. The Strength Axle System 2.0 has a stainless steel construction with skyway wheels, thick tires, and everything you need to get a tough core and upper body workout. It comes with a metal foot plate with caster wheels and rubberized handles.
The Strength Axle system has a max weight limit of 265 lbs. It targets the same muscle groups as the ones you use in a wrestling match or Jiu Jitsu competition.