Shofar

binding lulav with lulav leaves, or with anything? when to shake the lulav, shaking lulav after missing proper time, take lulav, Shofar when traveling, reciting shema prayer when traveling

blowing Shofar on Rosh Hashanah and taking a willow on seventh day of Sukkos, calendar adjustments should ensure that they don’t fall out on Shabbos

blowing to signal the entry of Shabbos

chalitzah compared to a Shofar of idol worship or an ir hanidachas

circumcision preparation involving work forbidden on Shabbos, preparation for omer offering? two loaves? lulav? Shofar? matzah? when the actual mitzvah overrides only rabbinic restriction whereas the preparation entails overriding biblical law

disagreements about exactly when on Rosh Hashanah to blow Shofar isn’t a violation of separating into groups

ezov plant for purifying metzorah, lulav, Shofar, afterbirth and rules of impurity, third wall of sukkah, must be at least tefach long

of idol worship, of an ir hanidachas, compared to a lulav of similar origin

pausing during blowing

Shabbos and Yom Kippur on consecutive days, cancelling Shofar announcing Shabbos, and havdalah for Shabbos on Yom Kippur

Shofar blowing to signal the entry of Shabbos