To discourage employers from breaking away from the bargaining group, unions developed the whipsaw strike. This has been colourfully dubbed the "Whipsaw" in actuarial parlance. Sometimes, a whipsaw strike is used as a bargaining tool. Employer reactions to whipsaw strikes vary widely. The effect is also known by the names whiplash or whipsaw effect. And regrettably, 'Slap Shot' moralizes about violence in its tacked-on, whipsaw ending. Hanburger hires Whipsaw McGraw, a bowling champion, to train his bowling team. The whipsaw feeling through a veritable storm of fire became harder every second. "Whipsaw" (1935) co-starred Myrna Loy and was a commercial success. Few nations have addressed the use of lockouts during whipsaw strikes, however. A pit-saw was also sometimes known as a whipsaw. Early sawmills adapted the whipsaw to mechanical power, generally driven by a water wheel. But what if these were whipsaw strikes? The goal of a whipsaw strike may vary.