Slim tells Curley that his hand got caught in a machine because he knows the truth about how Curley actually injured his hand in a fight with Lennie. Slim is aware of the situation but chooses to protect Lennie by keeping the truth hidden and offering a plausible explanation to Curley.
it got caught in a machine
Slim persuades Curley not to tell his father the truth about how his hand was really crushed by emphasizing that Curley's reputation as a tough guy would be ruined if the truth came out. Slim suggests that Curley should claim he got his hand caught in a machine instead to save face.
Not telling the boss about what Lennie did to his hand. Instead he must say he trapped it in a machine.
Slim makes Curly agree to not tell anyone about the fight; and if anyone asked, he got his hand caught in the machinery.
Curley promises to tell people that he injured his hand in a machine, as a way to hide the fact that he got it crushed in a fight with Lennie. This is to save face and avoid embarrassment for losing a fight to someone bigger and stronger than him.
In 'Of Mice and Men' chapter three will only take a few munutes to read. Halfway through the chapter Curley comes on the scene, looking for his wife. He thinks she is in the men's mess room. She isn't there. Noticing that Slim is also not there, he asks where Slim is. It looks as if Curley thinks that Slim is with his wife in the barn. Curley rushes out to the barn. However, Lennie tells the men in the room that Curley's wife is not in the barn. Slim returns, acccompanied by Curley. Slim is very annoyed that Curley keeps asking him if he's been keeping keeping company with his (Curley's) wife. Curley apologises. A fight breaks out. Curley gets hurt, but is made to promises not to tell anyone, because it was he (Curley) that started it. Apart from this information, from the information in chapter three we know no more about Curley's thoughts. But we can guess!
Curley thinks that slim is with his wife in the barn
Curley had asked Slim if he had seen Curley's wife too many times for Slim's liking. When Curley implied that Slim had been seeing his wife and threatened him, Slim became irritated.
Slim is furious with Curley because Curley's wife's flirtatious behavior ultimately led to the tragic outcome where Lennie accidentally killed her. Slim blames Curley for not providing proper supervision and for allowing his wife to create a dangerous situation on the ranch.
Slim saves George and Lennie's jobs by talking to the boss and vouching for them, emphasizing how hard they work and how valuable they are to the ranch. He convinces the boss that George and Lennie are good workers who deserve to stay on despite the trouble they accidentally caused.
"I think you got your han' caught in a machine. If you don't tell nobody what happened, we ain't going to. But you jus' tell an' try to get this guy canned and we'll tell ever'body, an' then will you get the laugh."
No they don't. Lennie crushes Curly's hand, but Slim persuaded Curly into saying that he got his hand caught into a machine,and in return nobody would find out how Curley, the winner of a boxing tournament called the 'Golden gloves' tournament, lost to a simple ranch worker. Curley's father only knows that Curley got his hand caught in a machine.