- Designed to carve your core for defined abs and sculptedarms
- Kinetic engine carbon steelspring turbo-charges abdominal and arm workouts
- Ultra-wide wheel stabilizesmovement to carve left, right and center
- Rubberized, non-slipergonomic grips for stability control
- High density foam knee padfor superior comfort
- Provides resistance as youroll out and assist when you roll back
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