Kahmunrah and Larry try to convince the other person to give over his possession first, but neither person trusts the other. Kahmunrah then tries to set rules on how Larry can behave, but Larry ignores them.
This clip demonstrates the importance of considering how a decision may result in individual loss. Without the foresight, it can be easy for there to be a situation in which everyone wins and you take a loss.
Raymond expressed visual and verbal stimming as he's not comfortable with Charlie touching his personal belongings. Stimming is shown through his hand movements and reciting his knowledge of baseball. There's a clear difference between their behaviors.