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I have noticed that on my PS2 controller (a recent DS2), there is a fair amount of beige powder around the L3 button. It also seems to affect the quality of the calibration of the L3 button as well; in GT4 (which recently quit) the car's brakes were erratic; in other games the player tended to have a strong right-hand bias during gameplay (not too sure how to describe it). I believe that some sort of powder is used for lubrication for these new controllers, and its presence on the controller's exterior is odd considering that I do not regularly use the L3 button, if at all. The same problem does not apply for the R3 button. My younger brother has the same problem with his controller as well, but not for the ones he owned in the past. The controller is a licensed product of Sony. Does anybody else have a similar problem with Dual Shock 2 types, or a solution or cause?