Sofer writes the above-mentioned verses on the clave (specially treated leather of kosher animals) with special ink with the intention of fulfilling the commandment of mezuzah.
After that, we twist the clave into a tube, put it in a special mezuzah case and affix the mezuzah with a blessing in a specific place set by the Sages.
Mental Concentration The main thing in the commandment [of putting on Tefillin] and its fulfillment depends on the mental concentration during the fulfillment of