prepared by Rabbi Eliezer Chrysler of Kollel Iyun Hadaf
Rosh Kollel: Rabbi Mordecai Kornfeld
(a) The Mishnah, discussing knots that one is forbidden to tie on Shabbos, mentions specifically two kinds of knots. One of them is a camel's knot. What is the other?
(b) What is the significance of a 'camel's knot'? How is it done?
(c) A ship's knot is performed in a similar fashion, only one uses a rope instead of a strap. Why does the Tana specify these two knots? What do the two knots have in common?
(d) Whereabouts in the Mishkan did they tie knots?
(a) What two conditions are required in order to be Chayav for tying a knot on Shabbos?
(b) What if someone ties a knot that is ...
1. ... permanent but not professional?
2. ... professional but not permanent?
(c) What sort of knot is one then permitted to tie on Shabbos?
(a) And what does the Tana say about untying a knot on Shabbos?
(b) Whereabouts was this performed in the Mishkan?
(c) What does Rebbi Meir say about a knot that one can untie with one hand?
(a) What does the Mishnah mean when it says that there are some knots which are not subject to Kareis?
(b) One of the two examples given by the Gemara is a knot with which one attaches a long strap to a ring that is placed through a racing camel's nose. How is the other example connected to the ship that the Tana mentioned in the previous Mishnah?
(c) Why are they not subject to Kareis?
(a) What is the significance of the list the Tana now presents beginning with knots that a woman ties Miftechei Chalukah, her S'vacha (a hat made of network, with straps that tie at the back of her head) and her P'sikya? What do all the items have in common (Halachically)?
(b) Why is that (see Tos. Yom-Tov)?
(c) What are 'Miftechei Chalukah'? How does she tie them?
(d) What is a 'P'sikya'?
(a) What other kinds of 'straps' does the Tana include in this list?
(b) He also inserts straps of flasks of wine and oil. Of what are they made?
(c) What sort of knot is he then talking about?
(d) What is then the Chidush? Why might we have otherwise thought that one is Chayav for tying it?
(a) The final item on the list is a pot of meaty soup. What sort of knot is the Tana talking about here?
(b) What is the Chidush?
(c) What does Rebbi Eliezer ben Ya'akov say about tying a rope across the doorway of a stable to prevent the animal in the stable from running away?
(d) What is the Halachah regarding this issue?
(a) On what grounds does ...
1. ... the Tana Kama permit tying a bucket to a well using a small belt?
2. ... Rebbi Yehudah permit using a rope for the same purpose? What sort of rope is he talking about?
(b) Then why do the Chachamim forbid it?
(c) Like whom is the Halachah?
(a) On what specific condition does the Mishnah permit folding clothes and making the beds on Shabbos?
(b) May one fold one's clothes more than one fold?
(c) One of the unspecified conditions for this concession is that only one person actually does the folding, another that the garment is new. What is the reason for this latter distinction?
(d) Even new garments one may only fold if they are white, but not if they are colored. Why is that?
(e) What final condition is required before permission to fold one's clothes is granted?
(a) The Tana Kama permits burning the Chalavim of Shabbos on Yom Kipur, but not vice-versa. What are the respective cases?
(b) What is the reason for ...
1. ... the first ruling?
2. ... the second ruling?
(c) What does Rebbi Akiva say?
(d) Like whom is the Halachah?