The Book of the Taz.

ספר הט"ז
It refers to a significant halachic work written by Rabbi DavidSegal, known as the Taz (Turei Zahav). The Taz is a commentary on the Shulchan Aruch, offering insights and rulings on Jewish law.
Shiurim in this topic
3599. It really pains me how the religious voting bloc has not materialized.