put the ridges on the side you want to curve
index finger on one side of holesmiddle finger on other side of holesmake shure to get on the top of the ball while throwing
I cannot name exact people, but as far as general knowledge, I've seen hard breaking curve-balls in the mid eighties. Pitchers don't try to overthrow a curve because the chance of it going wild or...
Grasp the dodge ball with your hand and pull your hand in so that the ball touches your wrist and your wrist is curved in. pull you arm back and launch it moving your body with it. it is very tricky....