Beitzah 23a and Beitzah 23b, leniencies of Rabban Gamliel, of R. Elazar b. Azaryah, and whether a davar she-eino mitkaven, an unintended outcome of an action, makes the whole action prohibited. Then, pepper grinders, baby strollers, and the dawn of a new chapter, about hunting animals, birds, and fish from enclosures.