Study Guide Eruvin 20 Pictures Abaye asks Rabba more questions regarding the case of a well. Other issues are discussed - are these posts considered a real mechitza? In order for a person to drink from a well (without the posts), one's head and the majority of the body need to be in the private space of the well. Is the same true for an animal? This question appears in two variations. Attempts ar emade to learn this from our mishna but are unsuccessful.