YoYoFactory Grind Monster | YoYo Wiki | Fandom
The Grind Monster was the second yo-yo in the Project Red Alert (formerly Redline) series by YoYoFactory, released in February 2004. It is limited to 300 units. The Grind Monster was the follow-up to the Grind Machine, and featured a slightly smaller diameter and lens caps attached directly to the aluminum halves. It also featured the "Gap Gadget" system, which allowed the user to adjust the ...
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