Хасидус к Мишлей 30:15

This is called,²⁹See Introduction to Zohar 11b. “An evil whip with which to smite etc.” Moreover, it is like a leech that draws out the dross of the blood etc., as it states,³⁰Proverbs 30:15; Talmud Bavli, Avodah Zarah 17a “The leech has [two daughters called] give, give etc.” This is the root of the aspect of hell (Gehinom) that will, “rest upon the heads of the wicked,”³¹Talmud Bavli, Chagigah 13b as known.