Hasidic groups have myriad customs. While ordinary Jewish law (halakhah) denotes the "bar of holiness" mandated for the ordinary Jew, these customs represent the higher threshold expected of Hasidim, intended to justify their title as hasidim ("pious"). How did the hasidic masters perceive the enactment of these new norms at a time in which the halakhah had already been solidified? How did they explain the normative power of these customs over...