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Yoyofactory Grind Machine Yo

Yoyofactory grind machine yo yo,the yoyofactory grind machine yo-yo is the next generation in yo-yo performance. the grind machine is the first non-metal yo-yo to feature yoyofactorys patented triple bearing hubstack technology.combine this with a modern shape, textured grinding surface, silicone response, the large central bearing co. spec bearing,