Ketzos HaChoshen

The Ketzos HaChoshen (Hebrew: קצות החושן, lit.'Edges of the priestly breastplate'; Ashkenazi Hebrew Yiddish pronunciation: [ˌkɛt͜sos haˈχoʃɛn]) is a major writing by Aryeh Leib Heller (1745–1812) and the origin of his nickname, "the Ketzos". Its first printing was in Lviv.