MassCore™, the #1 most popular monkii 360 accessory.
MassCore™ is a modular weighted core that amplifies your monkii 360 workouts.
Three weight options available:
By adding a weight to the core of monkii 360, we are increasing leverage during our full range-of-motion movements. The core becomes much heavier the farther away from your body you extend it. Moving this additional weight requires more force, which in turn generates more power output.