Norris also throws a sinker and a curveball. Split-shot sinkers are small and round with a split cutting halfway through the sinker. He has decreased the use of his sinker/changeup. His sinker and four-seam fastball combination averaged in 2011. A fishing rod is an additional tool used with the hook, line and sinker. Keuchel's sinker and slider both induce more ground balls than average across the league. Beck found success using a sinker, slider, and splitter. Johnson throws four pitches, leading with a hard sinker averaging . Campbell later said that he "fell hook, line and sinker" for the Armstrong legend. The corresponding machines are often called sinker EDM. Internal threads can also be formed using a sinker electrical discharge machining (EDM). Wang works quickly and uses his ground-ball inducing sinker to produce many double plays. In "Hook, Lion & Sinker", he is revealed to have a son. He also added a "slow sinker" and used his hesitation pitch more frequently. He also would teach his famed pitch, "The Staten Island Sinker".