Ask any obnoxious pool shark at your local watering hole, and they'll tell you that the game is all about angles. Run the ball onto one of the side cushions, and it will bounce off at the same angle. That's pretty straightforward when the cushions are straight, but curve them into a circle and there's no telling what kind of bounce to expect.
This round pool table JM Billiard is guaranteed to make any over confident hustler look like an amateur, leveling the playing field somewhat for the rest of us. Of course you could always cheat by using a laser sighted pool cue