Tofer

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Tofer

  1. Gluing together two papers or leathers with glue is forbidden. [1] Gluing two pieces of wood is forbidden. [2]
  2. Tofer is forbidden even if it’s a temporary connection. [3]

Stapling

  1. Stapling is also forbidden. [4]

Diaper

  1. Most authorities permit putting on a diaper on Shabbat by sticking the tabs of the diaper to the diaper. [5]
  2. Nonetheless, one should be careful and open the diaper slowly so that one doesn’t rip it and leave the tabs attached permanently. [6]
  3. One should not use the sticky tabs in order to close it up in order to throw it out since it’s considered permanent. [7]

Buttons

  1. Buttons are permissible to open and close. [8]

Safety pins

  1. Many authorities permit using a safety pin on Shabbat. [9]
  2. Sh”t Bear Moshe 1:36 permitted to remove the plastics off the tabs on Shabbat.

Zipper

  1. Zippers can be opened and closed on Shabbat. [10] However, some are strict not to zip the inner lining of a winter coat into the coat because it is meant to be there a long period of time. [11]

Velcro

  1. Velcro is permissible to open and close on Shabbat. [12]

References

  1. S”A 340:14 writes that gluing two papers together is forbidden because of Tofer.
  2. Shemirat Shabbat KeHilchata 340:14 there
  3. Rama 317:3 brings two opinions and concludes that one shouldn’t be lenient in front of an Am HaAretz.
  4. Shemirat Shabbat KeHilchata 28:5
  5. Minchat Yitzchak (Dayan Weiss) is strict on diapers. Sh”t Bear Moshe 6:14 is lenient about using pampers on Shabbat since it’s only a temporary connection. Sh”t Tzitz Eliezer 16:6 is lenient because it isn’t not even considered temporary. 39 Melachot (Rabbi Ribiat; pg 813) permits since the tabs are made to be used that way. Children in Halacha (Rabbi Simcha Bunim Cohen; pg 212-3) is lenient. See http://www.dailyhalacha.com/Display.asp?ClipDate=7/25/2005.
  6. Sh”t Yacheve Daat 6:23
  7. 39 Melachot (Rav Ribiat; pg 814), Rabbi Mansour (http://www.dailyhalacha.com/Display.asp?ClipDate=7/25/2005) holds similarly.
  8. Sh”t Igrot Moshe 2:84 permits
  9. Korban Netanel (Shabbat perek klal gadol 7:50) forbids using a safety pin on Shabbat by putting the safety pin through a cloth. However, the achronim including Sh”t Igrot Moshe 2:84, Shemirat Shabbat KeHilchata 15:70, and Kitzur Hilchot Shabbat (pg 67) permit because the pin doesn’t connect the two objects but rather keeps them close together like buttons.
  10. Shemirat Shabbat KeHilchata 15:74 (in the note quoting Rav Shlomo Zalman), Sh”t Betzel Chachma 3:92, 39 Melachos (Rabbi Ribiat, vol 3, pg 818), and The Shabbos Home (Rabbi Simcha Cohen, vol 1, pg 75) permit using a zipper on Shabbat. However, Sh”t Shevet HaLevi 3:51 is strict unless one plans on unzipping in a short period of time. Rav Shechter (quoted by Rabbi Rosner between minutes 37:30 and 38:30) is strict for this opinion and doesn’t zipper his Shabbat talit bag because of this. Rabbi Rosner (between minutes 36:30 and 37:30) explained that even those who are strict to consider zippers Tofer would be lenient regarding pants zippers because anything which will be unzipped in 24 hours is considered temporary.
  11. In footnote to 39 Melachos (melacha Tofer #18 he quotes Rav Yacov Kamenetsky who was strict regarding a winter coat which had a linig that was zipped in for a long period of time. Halachically Speaking quotes Rav Yisrael Belsky who is also strict regarding zipping the inner lining of a winter coat because it is left there for a long period of time.
  12. Shemirat Shabbat KeHilchata 15:79