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Koshair: Difference between revisions
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===Tightening=== | ===Tightening=== | ||
# Any knot which is forbidden to tie is also forbidden to tighten. <Ref> Shemirat [[Shabbat]] KeHilchata 15:50 (in new editions 15:53), Kesot HaShulchan (Siman 123, at the end of note 4), Sh"t Az Nidabru 3:22, Sh"t Bear Moshe 6:3 </ref> | # Any knot which is forbidden to tie is also forbidden to tighten. <Ref> Shemirat [[Shabbat]] KeHilchata 15:50 (in new editions 15:53), Kesot HaShulchan (Siman 123, at the end of note 4), Sh"t Az Nidabru 3:22, Sh"t Bear Moshe 6:3. [http://www.hebrewbooks.org/pdfpager.aspx?req=7724&st=&pgnum=56 Kesot HaShulchan (v. 5 p. 56)] explains that in his opinion a loose knot isn't a knot on a Torah level and tightening it is creating a knot. Additionallyת according to some opinions bringing the two knots that were very much separated together even though they remain loose is also considered creating a knot. See there for his discussion. </ref> | ||
# For example, one may not tighten the double knot of the [[tzitzit]] or [[Tallit]] if it became loose. <ref>39 Melachos (Rabbi Ribiat, vol 3, pg 799) </ref> | # For example, one may not tighten the double knot of the [[tzitzit]] or [[Tallit]] if it became loose. <ref>39 Melachos (Rabbi Ribiat, vol 3, pg 799) </ref> | ||
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# A bow-knot, slipknot, or a single-knot isn’t a true Kesher-bind and is permissible even if it does remain in place for a while. <Ref> Shulchan Aruch (317:5) and implied by Rama (317:1). Kitzur Shulchan Aruch 80:45 and Yalkut Yosef (317:11) agree. </ref> For example: a ribbon on a gift, a single bind on a shopping bag or garbage liner. | # A bow-knot, slipknot, or a single-knot isn’t a true Kesher-bind and is permissible even if it does remain in place for a while. <Ref> Shulchan Aruch (317:5) and implied by Rama (317:1). Kitzur Shulchan Aruch 80:45 and Yalkut Yosef (317:11) agree. </ref> For example: a ribbon on a gift, a single bind on a shopping bag or garbage liner. | ||
# It is permitted to tie a slip knot or bow without a underlying knot even if it is tight and meant never to be undone. <Ref>Shulchan Aruch (317:5), Beiur Halacha 317:5, Yalkut Yosef (317:11, [[Shabbat]], vol 2, pg 562), The [[Shabbos]] Home (Rabbi Simcha Cohen, vol 1, chap 13, pg 207) </ref> | # It is permitted to tie a slip knot or bow without a underlying knot even if it is tight and meant never to be undone. <Ref>Shulchan Aruch (317:5), Beiur Halacha 317:5, Yalkut Yosef (317:11, [[Shabbat]], vol 2, pg 562), The [[Shabbos]] Home (Rabbi Simcha Cohen, vol 1, chap 13, pg 207) </ref> | ||
# After [[tying]] a bow knot (a bow on top of a single knot), as is common when [[tying]] one's shoes, one may not tie a second bow on top of the bow knot. <ref>39 Melachos (Rabbi Ribiat, vol 3, pg 798) </ref> Others permit [[tying]] this knot since it can still be untied with a single hand by pulling on the end of the string. <Ref>Orchot [[Shabbat]] (10:15) and footnote 28 </ref> | # After [[tying]] a bow knot (a bow on top of a single knot), as is common when [[tying]] one's shoes, some poskim hold that one may not tie a second bow on top of the bow knot. <ref>39 Melachos (Rabbi Ribiat, vol 3, pg 798) writes that it is forbidden as his definitive ruling, but in the footnote 49a he admits that since it is easy to undo he doesn't know why one should be strict.</ref> Others permit [[tying]] this knot since it can still be untied with a single hand by pulling on the end of the string. <Ref>Orchot [[Shabbat]] (10:15) and footnote 28 </ref> | ||
== A bow on top of a single knot== | == A bow on top of a single knot== | ||
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## In situations where it's common to tie a double knot such as the last knot of a [[tzitzit]] fringe one may tie a single knot. <ref>Shemirat [[Shabbat]] KeHilchata (in the new edition 15:53) </ref> | ## In situations where it's common to tie a double knot such as the last knot of a [[tzitzit]] fringe one may tie a single knot. <ref>Shemirat [[Shabbat]] KeHilchata (in the new edition 15:53) </ref> | ||
# It is permitted to tie a single knot in two strands of string even if it is tight and meant never to be undone. <Ref>S”A HaRav 317:1, Yalkut Yosef (317:11, [[Shabbat]], vol 2, pg 562), The [[Shabbos]] Home (Rabbi Simcha Cohen, vol 1, chap 13, pg 207) </ref> | # It is permitted to tie a single knot in two strands of string even if it is tight and meant never to be undone. <Ref>S”A HaRav 317:1, Yalkut Yosef (317:11, [[Shabbat]], vol 2, pg 562), The [[Shabbos]] Home (Rabbi Simcha Cohen, vol 1, chap 13, pg 207) </ref> | ||
# It is permitted to tie a single knot and then tuck in the ends of the string so that it doesn’t come out only if it is | # It is permitted to tie a single knot and then tuck in the ends of the string so that it doesn’t come out only if it is meant to be undone within 24 hours. <Ref> The [[Shabbos]] Home (Rabbi Simcha Cohen, vol 1, chap 13, pg 207-8) </ref> | ||
# One may not add a second knot on top of a preexisting single knot,<ref>Shemirat [[Shabbat]] KeHilchata (in the new edition 15:53), Chazon Ovadia [[Shabbat]] Part 5 page 68 also says it's worthwhile to be stringent. </ref> nor may one add a third knot onto a double knot in order to tighten it. <ref>Shemirat [[Shabbat]] KeHilchata (in the new edition 15:53), 39 Melachos (Rabbi Ribiat, vol 3, pg 799). </ref> | # One may not add a second knot on top of a preexisting single knot,<ref>Shemirat [[Shabbat]] KeHilchata (in the new edition 15:53), Chazon Ovadia [[Shabbat]] Part 5 page 68 also says it's worthwhile to be stringent. </ref> nor may one add a third knot onto a double knot in order to tighten it. <ref>Shemirat [[Shabbat]] KeHilchata (in the new edition 15:53), 39 Melachos (Rabbi Ribiat, vol 3, pg 799). </ref> | ||
