Basketball in the other three-step layup, the ball he can half-way destroyed?

Basketball in the other three-step layup, the ball he can half-way destroyed? Do not know the first step, the second step can start with its ball destroyed?

2009-12-27 13:35 supplementary question

??

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If you hit the ball first, if not foul, but it could also be illegal or thugs

Ball violence omitted, as if you can not be thugs -