Watch this lesson to learn how to throw the slow pitch softball slider. Slow motion analysis with step by step breakdown and instruction. The slider is the natural companion to the screwball, featured in the next video of this series, "PITCHES". The series, "PITCHES" features a full explanation, analysis and application of the slow pitch; Slider, Screwball, Backspin and Knuckleball. Watch the entire series and get a leg up on your competition.