變化球~

[okokpig (是愚公移山嘛~)]

http://www.youtube.com/watch?v=V26Fbsrpcus&mode=related&search=
如何投曲球(1)

http://www.youtube.com/watch?v=vuyBRwd1zIQ&mode=related&search=
如何投曲球(2)

http://www.youtube.com/watch?v=BrQ6cB0GEq4&mode=related&search=
如何投變速球

http://www.youtube.com/watch?v=X3tWTKL6xNM&mode=related&search=
如何投彈指球

http://www.youtube.com/watch?v=WDMwTJUAgvQ&mode=related&search=
如何投4縫線快速直球

http://www.youtube.com/watch?v=kIm0TMdLg0M&mode=related&search=
如何投2縫線快速直球

http://www.youtube.com/watch?v=8hBv5CEYbgE&mode=related&search=
如何投快速指叉球

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