A new string is good for a bit over an hours worth of hard use by a pro. Twice as long for an intermediate yo-yo thrower, and half as long for a beginner. – Bill Alton, Yo-yo Newsletter Editor, Portsmouth, NH, USA
A cool tool is anything useful that is superior to comparable items. If you think this tool is inferior suggest a better one. You are welcome to insult a tool, but comments containing insults to individual people will be deleted. Corrections of fact are always welcomed, if stated politely. Recommendations of better tools are dearly wanted and may be elevated to the front page.