Tying Archives - AskTheRav

If one has a pair of new shoes that are tied together with a string that’s knotted, can one cut that string, or would that be considered מתיר?

If the string tying the shoes together is knotted one should not cut that string. Sources: יש ב’ דברים שיש לחוש בכגון דא, מכה בפטיש ומתיר. מכה בפטיש:…

Can one make a double knot on Shabbos on a shoe if it will be opened up on the same day?

A knot and a bow on top of it is permitted, however, a double knot is אסור. ראה אדה"ז סימן שיז סעיף ב. #3941

Sometimes when I check my Tzitzis on Shabbos I find that one of the knots was loose and it has become undone. What should I do in such a case? Can I still wear the Talis / Talis Katon? Can I redo the knot very lightly in a way that it will not last, like just loop the two sides into each other without tightening?

Leave it. The Tzitzis may be worn as is. Do not redo it even lightly. See Halacha2go.com #8: Can I check my Tzitzis on Shabbos? Sources: אסור…