A harrow attachment for a tillage implement, comprising: a harrow drawbar (300, 300') configured to mount to a frame member of the tillage implement; at least one harrow rank having a rank bar (410, 510) supporting a plurality of harrowing tools oriented to extend away from the rank bar (410, 510); and an anti-tangle bracket assembly having a first pivot link coupled to the harrow drawbar (300, 300') and a second pivot link pivotally coupled to the at least one harrow rank; wherein the first and second pivot links (450, 452) pivot about pivot axes (454, 456, 458) with respect to one another within a pivotal range of movement of the at least one harrow rank from a first, extended engaging position to a second, tripped position that is above and behind, in a direction of travel of the tillage implement, the first, ground engaging position, wherein the first pivot link is pivotally coupled with respect to the harrow drawbar (300, 300') about a first pivot axis the second pivot link is pivotally coupled with respect to the at least one harrow rank about a second pivot axis, characterized in that the first pivot link has a first end pivotal with respect to the harrow drawbar (300, 300') about the first pivot axis; that the second pivot link has a first end pivotal with respect to the at least one harrow rank about the second pivot axis, wherein the first pivot link has a second end and the second pivot link has a second end, and wherein the second ends are pivotally connected to each other in a third pivot axis; and wherein the first pivot link is non-linear in a first radial direction from the first pivot axis to the third pivot axis; and wherein the second link body is non-linear in a second radial direction from the second pivot axis to the third pivot axis. a harrow drawbar (300, 300') configured to mount to a frame member of the tillage implement; at least one harrow rank having a rank bar (410, 510) supporting a plurality of harrowing tools oriented to extend away from the rank bar (410, 510); and an anti-tangle bracket assembly having a first pivot link coupled to the harrow drawbar (300, 300') and a second pivot link pivotally coupled to the at least one harrow rank; wherein the first and second pivot links (450, 452) pivot about pivot axes (454, 456, 458) with respect to one another within a pivotal range of movement of the at least one harrow rank from a first, extended engaging position to a second, tripped position that is above and behind, in a direction of travel of the tillage implement, the first, ground engaging position, wherein the first pivot link is pivotally coupled with respect to the harrow drawbar (300, 300') about a first pivot axis the second pivot link is pivotally coupled with respect to the at least one harrow rank about a second pivot axis, characterized in that the first pivot link has a first end pivotal with respect to the harrow drawbar (300, 300') about the first pivot axis; that the second pivot link has a first end pivotal with respect to the at least one harrow rank about the second pivot axis, wherein the first pivot link has a second end and the second pivot link has a second end, and wherein the second ends are pivotally connected to each other in a third pivot axis; and wherein the first pivot link is non-linear in a first radial direction from the first pivot axis to the third pivot axis; and wherein the second link body is non-linear in a second radial direction from the second pivot axis to the third pivot axis.