Throwing the ball onto the lane well beyond the foul line; can cause damage to the lane if excessive; can be used to "shorten" the lane which may help with lanes that hook too much for your normal shot.
when the ball is dropped rather than rolled, not good technique
Releasing the ball some distance above the alley and, consequently, some distance beyond the foul line during the delivery.
Throwing the ball in the air beyond the foul line.