oh in those days We used to ride emus into battle such as 2 machine guns per emu since they travelled better over sand then horse.
Its like having a ton-ton out of star wars.
Plus they were also a better method themselves of a weapon when they pick they go for the eyes etc As a warhorse would kick emus would kill quicker etc.
Since emus can't fly they so to strap the two machine guns on either side so one on each side tide to a wing each they reigged it up so the firing trigger was placed on the emus back