The principle of the Rotant Sphere is exactly that of the rotation expander "linear", only the bar handles are substituted with 80 mm wood spheres. Holding on to those handles becomes a little more (careful, understatement) challenging!
Rotant Linear Ash
What kind of training can it be used for? Any The purpose of the rotations expander is unversal. It can be used as a pocket fitness tool or as a warm up tool. It works on the principal of the...