spinner muz ask mi.. haha.. for mi. i have my own spinner ball.. but if u use house ball.. a 14pound ball is best and easy to use.. when u swing to the back.. make sure when u release the ball, u make a 360degree turn and release it.. u don have to release the ball with lots of strength.. as the weight have already act on a force to the ball.. if for hook ball.. have to teach personally(if use house ball) it is very easy to use house ball to plae hook too.. and it fun olso.. haha..