The further away from the bridge you apply your palm muting, the less ringing you'll get. So the closest to the bridge you are, the more ringing you'll have.

Just lay your hand on the string and while playing that 0 P.M. , move around a around a bit to find the perfect spot.


I made a lesson on palm muting :

http://www.guitartricks.com/lesson.php?input=9208&s_id=288