Focuses on the prohibition of  "Involvement in mundane activities prior to Davening /Mitzvos", focusing specifically on mitzvos such as Krias Shema, Shofar or Lulav.  It discusses the differences between Mitzvos min Hatorah and M’drabanan.  Also discusses whether one is required to stop an activity that he has already begun in order to perform the mitzva, even if there is ample time for him to complete his task and then fulfill the mitzva.