Just kasher the stovetop before using again.”The call ends and Rabbi Sofer provides the commentary. But in the rare cases where none pick up, then the call goes through to the emergency line, manned by Rabbi Sofer and another rabbi on their cell phones. The elements of time-sensitivity and anonymity that appear in many of the calls are at the core of the organization’s mission, says Rabbi Sofer. Kav Halacha gives them that safe entry point.”Home GrownLike many of the best ideas, Kav Halacha began as a small project that grew organically. Over the last three years, Kav Halacha has expanded from a one-stop shop to a specialized organization.