Until his death in May 2009, Rabbi Meir Brandsdorfer served as both the halachic decisor of Toldos Avrohom Yitzchok and member of the Badatz of the Edah HaChareidis.
They owe their strong opinions on Zionism to the literal reading of the Talmud's proclamation that Jews should not take over the Holy Land prior to the coming of the Messiah.
The dynastic chain being: Rabbi Avrohom Yitzchok Kohn, the previous Toldos Aharon Rebbe, died during Hanukkah of 1996.
Married women cover their hair with scarves, without wearing wigs, and the standards of tznius expected from them are the strictest among all Hasidic/Orthodox Jewish groups.
The Shomrei Emunim are characterized by fervent and visibly emotional prayer, and by a rigid lifestyle controlled largely by "takanos" - decrees written by the Rebbe.
Rabbi Aharon worried that it would be safest not to wear wool at all, in order to avoid the possibility of violating the law altogether.
After the passing of R' Shneur Zalman, R' Aharon HaLevi started his own Chassidic following, an offshoot of Chabad, in Staroselye.