For instance, a package came into his possession - כגון שבאת חבילה לידו
Summary:
The novelty of s'ר"נ ruling is either that it is not an אסמכתא, or that the workers implicitly agreed that he can use the entire value of the חבילה to pay an exorbitant rate.
And if she became heated on account of the climbing; he is liable - ואם הוחמה מחמת המעלה חייב
Summary:
The ruling of הוחמה בהר פטור, is only in a case where we can ascertain that she was not הוחמה מחמת המעלה (she walked up the mountain without any difficulty, etc.).