YoYoJam SpinFaktor HG XTra

From YoYo Wiki

YoYoJam SpinFaktor HG Xtra is a prototype yo-yo or some sort of market test. It has the same shape as the SpinFaktor HG but the Heavy Gravity material is much denser than the SpinFaktor HG.

YoYoJam made 80 SpinFaktor HG Xtras. SpinFaktor HG Xtras have the butterfly shape with the Hybrid response system.