Sefarim by Rabbi Chaim Cohen: Mekor Chaim ↗ בס״ד

  1. Tefillin Before Repeating Amida

    Question: I omitted yaaleh veyavo in Shacharis on Rosh Chodesh and only realised my mistake after removing my tefillin and davening mussaf. Am I required to put my tefillin back on before repeating the shemoneh esrei ? An…

  2. Knot Touching the Bayis

    Question: When I bought my tefillin the kesher touched the bayis but it no longer does. Does it need to be secured with a string so it stays in place? Answer: The Shulchan Aruch (OC 27:2) writes that the kesher in the shap…

  3. Tefillin After Interruption

    Question: I removed my tefillin in the middle of Shacharis to respond to a Hatzala emergency call. When I returned, I joined the following minyan to continue davening . Should I have repeated the berachos before putting my t…

  4. Thursday Tisha B’Av

    Question: As Tisha B’Av falls on Thursday this year, are the restrictions of the Nine Days lifted before chatzos on Friday? Answer: The Gemara (Taanis 29a) records that although the Beis Hamikdash was set alight towards the en…

  5. Tefillin from Non-Jewish Shop

    Question: A local non-Jewish charity shop is selling an old pair of tefillin . At a quick glance, I can see that they are no longer Kosher. Am I obligated to buy them to prevent them from potentially being desecrated? Answer: …

  6. Tefillin for Left-Handed

    Question: I'm left-handed and accidentally picked up my brother’s tefillin . Do I need to remove the retzua from the shel yad and reinsert it the other way so that the kesher faces inwards? Answer: The Terumas Hadeshen…

  7. Child Place Parshiyos

    Question: Our son is very excited for his upcoming bar-mitzva and has been learning about tefillin with his class. He mentioned that a couple of his friends got to place the parshiyos in their tefillin . We asked the sofer w…