We discuss permanent and impermanent knots, some of which are permitted on Shabbos to tie and untie, and others which are prohibited.

We discuss a 'professional knot' and other types of knots, some of which are permitted on Shabbos to tie and untie, and others which are prohibited.

We continue discussing the melachos of tying and untying, and the different possible types of knots.

We begin discussing the melachos of tying and untying, and the different possible types of knots.

We go through the melachos of weaving - mesach - preparing the machine, making two batei nirin, weaving, and undoing the weave.

We begin the melachos associated with weaving with an introduction to how the weaving process works.

Toveh is the prohibition of spinning wool or flax into string.

Tzove'a is the prohibition of coloring. It applies to coloring cloth and applying makeup.

We discuss the melacha of menafetz, combing wool or flax in preparation for the production of string.

We discuss the issue of hanging wet garments to dry.