Well with dualshock there really is no great solution to this.. The best advice I can offer is if you arent already doing it, alternate tap the green button on the dualshock alternating between both hands.
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4th ever DWDTG FC on November 27, 2010.
[2:32:10 PM] Alex (MoosieHD): Honestly spamming adds difficulty
[2:32:10 PM] Alex (MoosieHD): Methods are way easier