Sharing some useful information about the knuckleball. Throwing a baseball with no spin isn’t easy, but the throwing motion is easily explained.
The ball is pushed out with the fingers and thumb, balancing ball’s spin.
Hope this helps some of you out with the knuckleball.
http://www.physics.usyd.edu.au/~cross/KNUCKLEBALLS.htm, this will further explain the physics behind the knuckleball.