May one tie a bucket to a well using a cord, belt, or rope on Shabbat?

What combination of permanence and craftsmanship makes one liable (chayav) for tying a knot on Shabbat?

6 opinions

What duration makes a knot 'permanent' (shel kiyuma) such that it is at least rabbinically prohibited?

6 opinions

Does the law of untying (matir) mirror the law of tying (kosher) — i.e., is one liable for untying to the same degree?

4 opinions across 3 eras

Should one avoid tying or untying any double knot on Shabbat due to uncertainty about what constitutes a craftsman's knot?

5 opinions

Is a temporary craftsman's knot tied for the sake of a mitzvah permitted on Shabbat?

2 opinions

May one reinsert slipped shoe or sandal straps on Shabbat?

6 opinions

May one open the neckhole (beit ha'tzavar) of a garment that was tied by the launderer?

6 opinions

Is a bow (aniva) considered a knot for purposes of Shabbat, and may one tie a single knot beneath a bow?

6 opinions