Yyf Grind Yoyofactory

Yoyofactory grind machine the funky yoyofactory plastic yoyo with hub stacksext generation yoyo performancehe grind machine is the first nonmetal yoyo to feature yoyofactorys patented triple bearing hubstack technologymbine this with a modern shape, textured grinding surface, silicone response, the large central bearing copec bearing, and you have one of the highest.