p. 139: Knucklebreaker
Lists as "close combat only", but there are no fighting styles that grant it for Called Shot: Disarm. Chakram Fighting, Kyujutsu, and The Cowboy Way grant it for Blast Out Of Hand.
Also, the wording is unusual- unlike most modifiers that affect one of two maneuvers, depending on style, the text on Knucklebreaker appears to be a relic of an earlier model where techniques were not restricted by style.
At the risk of further editorializing, I can see this being difficult to correct without either removing techniques from a handful of styles or breaking the "6 techniques per style" rule.