The Retzuot are drawn through the base of the Tefillin cases, and bind the cases (Batim) to the arm and

We place the four Parshiot, written on parchment (klaf) in the cases. There is a difference between theTefillin Shel Yad (the Tefillin that

The Tefillin Cases (Batim, singular-Bayit) It is a Halacha l’Moshe M’Sinai that the Tefillin be made from the processed hide of an

Legend has it that Rashi’s grandchild (his daughter’s son), Rabbi Ya’akov Tam (also known as Rabbeinu Tam), was once sitting