bangtail muster
noun Australian
A count of cattle on a station, involving cutting across the tufts at the tail ends as each is counted.In Ozzieland, they conduct a 'bangtail muster' by the doing the same thing to cattle as a means of identifying them when taking a census of the herd.
Origin
Late 19th century: bang in the sense 'cut (the tail of an animal) straight across'; compare with bang1 (sense 2 of the verb).