Schach (סכך) is the most important part of the sukka.
Not surprisingly, the rules governing what is and what is not acceptable for schach are complicated.
In this miniseries, we will survey the opinions of the poskim regarding different methods of tying down schach so that it will not blow away in the wind.
A source sheet is available in both WORD format and pdf through the links. In class we will translate and explain the sources.