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You must allow the clubhead to swing freely.必須讓桿頭一氣呵成地?fù)]出。Be sure you don't watch the clubhead go back . Swing the clubhead at spot every time.千萬小心上振桿時不要盯著看桿頭. 每次揮桿都在地上找一點瞄準(zhǔn)此點打.This release gives the clubhead the pow...